The 52-year-old said it had been “the very best job in the world” but that she believed part of “serving well would be to know almost instinctively when the time is right” to step down.
The longest serving and first woman first minister confirmed she would stay in post until somebody else takes over and remain as an MSP until at least the next Holyrood election.
The attention now turns to who will become Ms Sturgeon’s successor as leader of the SNP, which she has been at the helm of since 2014.
The SNP’s National Executive Committee will be meeting later today to work out a timetable for the leadership race.
In her resignation speech, Ms Sturgeon said her party has an “array of talent” ready to follow her.
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Early possible contenders to become her successor include current deputy leader of the SNP Keith Brown, the SNP’s finance and economy secretary Kate Forbes, the party’s current constitution, culture and external affairs secretary Angus Robertson, the SNP’s health secretary Humza Yousaf and Scotland’s current deputy first minister John Swinney.
The time for the SNP’s national executive committee meeting is 6.30pm.
After it, we should get some sort of statement or press release giving details of the terms or timetable of the leadership contest.
It does seem though that the start of this contest will be slow as Holyrood is on recess – no-one is actually here because it is half-term.
And I understand one potential contender isn’t even in the country as they are abroad on holiday.
Perhaps they will be hot-footing it back to the UK, as of course Boris Johnson after Liz Truss’ exit from Number 10.
The expectation is the contest will take six weeks, but the last contested leadership contest – which was almost 20 years ago in 2004 – took two-and-a-half months.
So, it may not be until April, possibly early May, when we get a new leader of the SNP and new first minister.
The SNP’s newly elected Westminster leader Stephen Flynn, who replaced Ian Blackford following his resignation in December, ruled himself out of the contest when speaking to Sky News.
As an MP and not a member of the Scottish Parliament (MSP), Mr Flynn could currently only replace Ms Sturgeon as SNP leader – and not as Scotland’s first minister.
He told Kay Burley on Thursday: “I’ll indeed not be standing. Of course the next leader of the Scottish National Party needs to have the ability to be first minister – no MP has the ability to be first minister for obvious reasons that we are located in London and not Edinburgh.”
There is precedent for an MP to lead a Scottish party after Douglas Ross took over as head of the Scottish Tories in 2020.
Mr Ross’s predecessor, Ruth Davidson, deputised for him at First Minister’s Questions before he was able to take a seat in the Scottish Parliament himself at the 2021 election.
But Mr Flynn was not tempted to enter the race. Asked who he would be backing in the contest, he kept his cards close to his chest.
Image: Stephen Flynn MP
“In terms of who I’m backing, I’ve not seen anyone throw their name into the ring yet,” he said.
“Once names start going into that ring I’ll have conversations with my colleagues, see what their policy priorities are in terms of the immediate challenges that we face, how they intend to overcome some of the issues in relation to the economy, in relation to the health service, in relation to the cost of living crisis, and indeed our energy future, and of course how they set out their pathway to an independent future.
“I’m looking forward to that positive discussion once my colleagues decide whether they want to put themselves forward or not.”
But the Westminster leader did say an SNP conference, set to take place next month about the party’s approach to fighting for independence going forward, should be delayed.
“I think the new leader should have the opportunity and indeed the space to set out their position, their values and their intentions going forward,” he said.
“I think it’s sensible that we do hit the pause button on that conference and allow the new leader the opportunity to set out their vision.”
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4:58
A look back at Nicola Sturgeon’s career
Time for ‘healing’
Although the SNP continued to lead the polls in Scotland, Ms Sturgeon’s resignation followed a series of political challenges in recent months.
Her government has sought to push through gender reforms, only for them to be blocked by Westminster.
SNP MP Joanna Cherry, a long-standing critic of the gender recognition reforms, called for “reform and healing” in her party, and asked for it to react to the resignation of Ms Sturgeon in “a way that is beneficial to the country and the cause of independence”.
Rishi Sunak put aside his political differences with Ms Sturgeon to thank her for her service following the news of her departure.
One of his ministers, Neil O’Brien, told Sky News, however, that her departure offered the Tories “an opportunity… to do better in Scotland”, adding: “I think it is apparent to people in Scotland now that the SNP are a bit played out in public services. Things are not working.”
Labour’s shadow home secretary, Yvette Cooper, also paid tribute to the departing first minister, but told Kay Burley: “It’s an opportunity for the people of Scotland to come together, rather than some of the division that we’ve seen, and also for the focus to be on issues like the cost of living crisis, the issues in the National Health Service.
“Those are the issues that Scottish Labour are going to be focusing on.“
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1:18
Rishi Sunak thanks Nicola Sturgeon
But further afield, a former US president said “good riddance” in reaction to her resignation.
Donald Trump said in a statement: “Good riddance to failed woke extremist Nicola Sturgeon of Scotland!
“This crazed leftist symbolizes everything wrong with identity politics.
“Sturgeon thought it was okay to put a biological man in a women’s prison, and if that wasn’t bad enough, Sturgeon fought for a ‘Gender Recognition Reform Bill’ that would have allowed 16-year-old children to change their gender without medical advice.
“I built the greatest golf properties in the world in Scotland, but she fought me all the way, making my job much more difficult.
“The wonderful people of Scotland are much better off without Sturgeon in office!”
It is raising new concerns in the global players’ union about whether the stars of the sport are being protected in hot and humid conditions.
FIFPRO has asked FIFA to allow cooling breaks every 15 minutes rather than just in the 30th minute of each half.
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There’s also a request for half-time to be extended from 15 to 20 minutes to help lower the core temperature of players.
FIFPRO’s medical director, Dr Vincent Gouttebarge, said: “There are some very challenging weather conditions that we anticipated a couple of weeks ago already, that was already communicated to FIFA.
“And I think the past few weeks were confirmation of all worries that the heat conditions will play a negative role for the performance and the health of the players.”
Football has seemed focused on players and fans baking in the Middle East – but scorching summers in Europe and the US are becoming increasingly problematic for sport.
Image: England are the tournament’s defending champions. Pic: AP
While climate change is a factor, the issue is not new and at the 1994 World Cup, players were steaming as temperatures rose in the US.
There is now more awareness of the need for mitigation measures among players and their international union.
FIFPRO feels football officials weren’t responsive when it asked for kick-off times to be moved from the fierce afternoon heat in the US for the first 32-team Club World Cup.
FIFA has to balance the needs of fans and broadcasters with welfare, with no desire to load all the matches in the same evening time slots.
Electric storms have also seen six games stopped, including a two-hour pause during a Chelsea game at the weekend.
This is the dress rehearsal for the World Cup next summer, which is mostly in the US.
Image: Players are also feeling the heat at the Club World Cup. Pic: AP
The use of more indoor, air conditioned stadiums should help.
There is no prospect of moving the World Cup to winter, as Qatar had to do in 2022.
And looking further ahead to this time in 2030, there will be World Cup matches in Spain, Portugal and Morocco. The temperatures this week have been hitting 40C (104F) in some host cities.
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1:08
Wildfires erupt in Italy and France amid heatwave
FIFA said in a statement to Sky News: “Heat conditions are a serious topic that affect football globally.
“At the FCWC some significant and progressive measures are being taken to protect the players from the heat. For instance, cooling breaks were implemented in 31 out of 54 matches so far.
“Discussions on how to deal with heat conditions need to take place collectively and FIFA stands ready to facilitate this dialogue, including through the Task Force on Player Welfare, and to receive constructive input from all stakeholders on how to further enhance heat management.
“In all of this, the protection of players must be at the centre.”
England are looking to defend their title at the 2025 Women’s Euros.
But conquering this year’s competition will be tricky right from the group stages.
The Lionesses will come up against Wales, who made history by qualifying for their first major tournament, and two other European heavyweights: France and the Netherlands.
Here is everything you need to know about Euro 2025.
Where is Euro 2025 being held?
This year’sWomen’s Euros is being held in Switzerland.
The competition kicks off on Wednesday 2 July, with the final on Sunday 27 July.
Matches will be held in eight venues across Switzerland from Zurich to Geneva, with the final game being played in Basel.
What teams have qualified?
A total of 16 teams have qualified for the competition.
Eight teams progressed directly from the qualifying league stage and seven teams qualified via the play-offs.
As hosts, Switzerland qualified automatically.
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2:03
Is it too hot for football?
The teams playing in the tournament are:
• England • Belgium • Denmark • Finland • France • Germany • Iceland • Italy • Netherlands • Norway • Poland • Portugal • Sweden • Spain • Switzerland • Wales
How much do the winners get?
This year, the total available prize money for the tournament stands at €41m (£34m) – more than doubling from the prize pot in 2022.
All competing sides receive a €1.8m (£1.5m) participation fee, with the remaining money going to the quarter-finalists, semi-finalists, runners-up and winners.
The maximum prize money achievable for the tournament winners, if they also win their three group stage matches, is €5.1m (£4.3m).
Image: England celebrate their victory at Women’s Euro 2022. Pic: Reuters
Who has (and hasn’t) made the England squad?
Some notable names will be missing from the England squad this year.
Goalkeeper Mary Earps announced in May that she is retiring from international football with immediate effect.
Within days, two other names, Fran Kirby and Millie Bright, also announced they would not be taking part in Euro 2025.
The departure of Bright, Earps and Kirby is a loss of three experienced players – between them they have 218 international appearances.
So who has manager Sarina Wiegman picked for the 23-person squad, and who has been snubbed?
Use our slider below to look through some of the key players, or see a list of the full England squad, here.
History-making Wales squad announced
The Welsh women’s national football team has qualified for an international tournament for the first time.
Their 23-player squad was announced by head coach Rhian Wilkinson at the summit of Yr Wyddfa (Snowdon) on Thursday morning.
Image: Rhian Wilkinson following the squad announcement at the summit of Yr Wyddfa. Pic: PA
Midfielder Angharad James captains the side, and is one of four players to have played over 100 times alongside fellow Wales veterans Jess Fishlock, Hayley Ladd and Sophie Ingle, who also made the cut.
Ingle hasn’t featured for club or country since suffering an ACL injury during a pre-season friendly for Chelsea last September.
The 33-year-old returned to full training at the beginning of the month and her inclusion comes as a significant boost ahead of Wales’ first major tournament.
Fishlock, Wales’ record appearance holder and goalscorer, will hope to add to her 47 international goals as she leads the line.
The side beat the Republic of Ireland 2-1 in a play-off match to secure their spot in the Euros.
Image: Wales have qualified for an international tournament for the first time. Pic: Reuters
Wales head coach Rhian Wilkinson said after the match: “This team found a way. They never broke for each other, they stayed strong. I’ve never been prouder of a team.
“This team stands on the shoulders of giants [the pioneering female footballers] who came before, and now they’ve proven how good they are.”
Similarly to the World Cup, teams in the Euros are split into four groups.
The top two teams in each group will progress to the knockout stage, where games will be decided by extra-time and penalties if needed.
The knockout stage pits the winners of the group against the runners-up, meaning Germany, Poland, Denmark or Sweden could lie in wait for England and Wales in the last eight.
Group A: Switzerland, Norway, Iceland, Finland
Group B: Spain, Portugal, Belgium, Italy
Group C: Germany, Poland, Denmark, Sweden
Group D: France, England, Wales, Netherlands
When are England and Wales playing?
The Lionesses start their bid for the Euros title on 5 July when they take on France. The game will take place in Zurich at 8pm UK time.
Wales kick off their campaign earlier the same day, against the Netherlands. That game starts at 5pm UK time in Lucerne.
The two nations will be the last teams in Group D to face each other.
Their showdown will be held in the city of St Gallen, on Sunday 13 July. Kick-off is at 8pm UK time.
Can England win the Euros again?
The Lionesses lifted the Euros trophy in front of a home crowd in 2022, after beating Germany 2-1.
Chloe Kelly delivered the deciding goal in extra time, but can the team do it all again?
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2:41
Can England win the Euros again?
Lucy Bronze admitted to Sky News that the team faces “one of the hardest” groups going into the tournament, but added: “We know on any given day, when we play at our best we can beat any team in the world.”
The right-back said: “We have got one of the most talented squads going into the Euros… I wouldn’t want to be a defender on the other team going against some of our players.
“We know it is going to be difficult, there are maybe a handful of teams that are capable of winning it, and we are definitely one of them.”
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1:08
‘Handful of teams could win the Euros – we’re one’
After naming her squad in May, Weigman told Sky News sports correspondent Rob Harris: “This group is a very well-balanced mix of players with multiple tournaments on their CVs and also those that will make their tournament debuts.
“I am excited to see what we are capable of this summer.”
How to watch the Euros 2025
Eevery single match of the Women’s Euros will be shown across the BBC and ITV, with the two broadcasters showing half of the 31 matches each, except the final, which will be shown on both channels.
Every match will also be screened live at three venues across London and Birmingham.
TOCA Social at The O2 and Westfield White City in London and The Bullring in Birmingham is hosting watch parties for fans hoping to catch all the action.
A flight in Australia was delayed for two hours after a stowaway snake was found in the plane’s cargo hold.
The reptile was found as passengers were boarding Virgin Australia Flight VA337 at Melbourne Airport bound for Brisbane.
Snake catcher Mark Pelley said he thought it could be venomous when he approached it in the darkened hold.
Image: The snake in the cargo hold. Pics: Mark Pelley
But it turned out to be a harmless 60cm green tree snake.
“It wasn’t until after I caught the snake that I realised that it wasn’t venomous. Until that point, it looked very dangerous to me,” Mr Pelley said.
He said when he entered the cargo hold, the snake was half hidden behind a panel and he feared it could flee deeper into the plane.
“I had one chance to grab it, and if it escaped past me it would have gone into the panels, and then that would have been extremely hard to catch,” he told Sky News.
“Snakes are very fast-moving, thin and agile,” he added.
Mr Pelley said he told an aircraft engineer and airline staff they would have to evacuate the aircraft if the snake disappeared inside the plane.
“I said to them if I don’t get this in one shot, it’s going to sneak through the panels and you’re going to have to evacuate the plane because at that stage I did not know what kind of snake it was,” he explained in a separate interview.
“But thankfully, I got it on the first try and captured it,” he added. “If I didn’t get it that first time, the engineers and I would be pulling apart a [Boeing] 737 looking for a snake still right now.”