An area of the UK stretching from the North West to the South East of England is officially experiencing a heatwave, the Met Office has said.
A heatwave is defined as three consecutive days with daily maximum temperatures meeting or exceeding the heatwave temperature threshold.
The threshold varies in each county, with the highest of 28C in and around London, and the lowest being 25C in Scotland, Northern Ireland and the north of England.
Image: Met Office heatwave duration map. Pic:Met Office
It comes as weather alerts for thunderstorms remain in place from 12pm to 9pm for Scotland and Northern Ireland after much of the UK was hit by heavy rain, hail and lightning on Monday.
A previous amber thunderstorm warning covered parts of Leicester, Birmingham, Worcester, Gloucester and Oxford, with Liverpool and parts of the North West also affected.
Torrential rain also temporarily stopped the Manchester City trophy parade after the club won the Treble on Saturday.
Image: Rain delayed the start of the Manchester City parade
But warm weather has returned to the UK, with highs of 28C (82.4F) expected around 4-5pm on Tuesday in both London and Manchester.
Sadiq Khan, the Mayor of London, also issued a high air pollution warning to those in the capital – the second of the year – caused by high temperatures and pollution being carried over from the continent.
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He asked people to “look after themselves” and avoid unnecessary car journeys, opting instead to walk, cycle or take public transport.
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“Our rivers & wetlands are dying & wildlife fading away. We need RAIN. It is good. You can’t make the weather, but please stop saying global heating is a positive thing,” he wrote in a tweet.
West Cumbria Rivers Trust (WCRT) & the National Trust also warned that what should be the wettest part of England has rivers running almost completely dry, creating “disastrous” conditions for wildlife like fish.
Image: The completely dry riverbed of the River Derwent near Rosthwaite. Pic: West Cumbria Rivers Trust
Image: Horses shelter under trees on Basingstoke Common, Hampshire.
Over the weekend a temperature of 32C (89.6F) was recorded at Kew Gardens in southwest London and much of the UK was hotter than Monaco and the French Riviera where temperatures languished in the low 20s.
It fell just short of this year’s record high of 32.2C (89.96F) which was reached on Saturday in Chertsey, Surrey.
A body has been found in the search for 23-year-old runner Jenny Hall.
She was last seen leaving her home in Barracks Farm, County Durham, in her car just after 3pm on Tuesday.
Police said there are not thought to be any suspicious circumstances after a body was found in a very remote area in Teesdale on Sunday morning, five days after she went missing.
Image: Jenny Hall went missing on Tuesday. Pic: Durham Constabulary
“We’re sorry to report that officers searching for missing woman Jenny Hall, have sadly found a body,” Durham Constabulary said in a statement.
“Officers carried out an extensive search alongside specialist partners and have been working around-the-clock to locate Jenny after she went missing on February 18.
“The body was found in a very remote area in Teesdale just after 9.30am today.
“Formal identification has yet to take place. Jenny’s family have been notified and are currently being supported by specialist officers. They have asked for privacy at this devasting time.
“It is not believed there are any suspicious circumstances and a file will be prepared for the coroner.”
Her car, a red Ford Focus, was found on Wednesday parked on the B6278, near remote moorland between Eggleston and Stanhope.
Mountain rescue teams, specialist drones and sniffer dogs had been combing the Hamsterley Forest and the surrounding areas, where there are a number of running trails, this week.
Digital intelligence officers also carried out extensive inquiries into Ms Hall’s mobile phone, smart watch and running apps.
A fresh amber weather warning for heavy rain has been issued by the Met Office – with much of the UK already on alert for high winds and showers.
Northern Ireland, Scotland and the UK’s west coast and the Midlands have yellow warnings for wind on Sunday – meaning the possibility of transport delays and short-term power cuts.
There are also rain warnings in place for several parts of western UK.
The new amber warning has been issued for rain in south and central Wales and is in force from 3pm on Sunday to 6am on Monday.
An amber warning means danger to life from floodwater, homes and businesses are likely to be flooded, and there is a chance some communities will be cut off.
Winds across the west of the UK will increase throughout the morning with gusts up to 70mph in exposed areas, the Met Office said.
Zoe Hutin, a meteorologist at the forecaster, said Sunday is expected to be the “worst day” before conditions improve.
“The wind warning itself for the mainland UK ends at 6pm, but we can expect to continue to see quite blustery conditions even into the evening as the mainland rain itself pushes through.”
She added: “By the time people get up on Monday, we’ll still have some of the residual rain from that front in the far south-east of the country, and quite cloudy across England as well.
“But actually elsewhere, it could be a decent start.”
The Met Office’s yellow weather warnings for much of England and Scotland came into force at 6am and are expected to run until 6pm on Sunday.
A separate yellow warning for Northern Ireland came into force at 3am and runs until 3pm.
Image: Rain and high winds are expected across the west of the UK
Sir Keir Starmer has said the United States “is right” about the UK and Europe needing to take more responsibility for defence and security.
The prime minister, speaking at the Scottish Labour conference in Glasgow on Sunday, said he is clear Britain “will take a leading responsibility” in protecting the continent.
“Instability in Europe always washes up on our shores,” he said.
“And this is a generational moment. I’ve been saying for some time that we Europeans – including the United Kingdom – have to do more for our defence and security. The US is right about that.”
He added “we can’t cling to the comforts of the past” as it is “time to take responsibility for our security”.
Donald Trump sparked an emergency meeting of European leaders this week after he said European NATO members should spend more on defence, while the US should spend less.
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Sir Keir has said he will set out a path for the UK to spend 2.5% of GDP on defence, up from the current 2.3%, but has not indicated when that will be.
It is believed he may announce the details when he visits Mr Trump in Washington DC on Thursday, bringing forward the announcement that was expected in the spring when a defence spending review is published.
The prime minister reiterated the UK will “play our role” if required in Ukraine following a peace agreement after he earlier this week said the UK would send troops to be part of a peacekeeping force.
Image: Sir Keir will meet Donald Trump in the White House on Thursday. Pic: AP
However, his comments caused a row with Germany and Italy who said it was premature to commit to boots on the ground, although France agreed with the UK.
Sir Keir said: “As we enter a new phase in this conflict, we must now deepen our solidarity even further.”
He added: “There can be no discussion about Ukraine without Ukraine.
“And the people of Ukraine must have long-term security.”
No Europeans were invited either, sparking concern the US is pandering to Vladimir Putin.
Sir Keir has promised Mr Zelenskyy he will make the case for safeguarding Ukraine’s sovereignty when he meets with Mr Trump, who has called the Ukrainian president a dictator.
Mr Trump also said Sir Keir and French President Emmanuel Macron, who will visit the White House too this week, “haven’t done anything” to end the war.