A five-year-old schoolgirl and a female teacher, believed to be in her 30s, remain in a very serious condition, police said.
“These are scenes that we have not seen in decades but what is clear is that people have been radicalised through social media and the internet,” Garda Commissioner Drew Harris said.
One Garda officer received a serious injury, while “numerous” other officers were injured as missiles were thrown at them, he added.
Officers with riot shields held back crowds in the city centre where a police car was set on fire amid anger over the stabbings in Parnell Square East.
Mr Harris warned that Garda had to make the “assumption that following the events of last night, we are going to see further protests”.
Garda Chief Superintendent Patrick McMenamin called the incident “gratuitous thuggery” yesterday.
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2:34
Sky News’ Stephen Murphy saw people looting a Foot Locker.
Mr Harris said there will be a “heavy” gardai presence in Dublin City today in response to the riot.
“We cannot allow the city to be given over to the thugs, the looters and the arsonists.”
More than 400 gardai were involved in efforts to quell yesterday’s disorder.
Eleven Garda cars were damaged, and vehicles, including a bus, were set on fire.
A total of 13 shops were significantly damaged or subjected to looting, Commissioner Harris said.
The riot broke out near the crime scene cordon around Parnell Square and O’Connell Street at around 6.30pm yesterday following the stabbing.
A Garda car was set alight, a Luas tram and several buses on O’Connell Street were set on fire, and a bus and car were torched on O’Connell Bridge as rioters clashed with officers.
Foot Locker and Asics shops were also looted in O’Connell Street, as well as Arnott’s department store in nearby Henry Street.
Bottles were thrown at gardai on the street, and video obtained by Sky News shows a man put a burning cardboard box into a police vehicle.
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0:40
Rioters burned a police car and threw bottles at gardai.
When asked this morning whether he considered the police’s response to the riots was a “failure of personnel”, Mr Harris backed his officers.
He said order was restored between 8.30pm and 9pm, but that numerous officers had sustained injuries from the violence.
He added: “We could not have anticipated that this would have been the reaction.”
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1:00
‘What is clear is that people have been radicalised through social media and the internet’
President Michael D Higgins said: “This appalling incident is a matter for the gardai and that it would be used or abused by groups with an agenda that attacks the principle of social inclusion is reprehensible and deserves condemnation by all those who believe in the rule of law and democracy.”
Irish Justice Minister Helen McEntee also labelled the scenes of disorder “intolerable” and said a “thuggish and manipulative element must not be allowed to use an appalling tragedy to wreak havoc”.
“We will not tolerate a small number using an appalling incident to spread division,” she added.
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The Israeli airstrike in the southern suburbs of Beirut came as the Lebanese caretaker government was having an emergency meeting to discuss the previous two days of pager and radio explosions.
It caused yet more shock in a nation which considers itself battle-hardened after years of strife, disaster and wars.
But Lebanon has been truly rocked to its core by the string of attacks over the past few days.
“These are war crimes,” one Lebanese minister told us.
He’s been on the US most wanted list for more than forty years after being accused of being involved in the bombing of the US embassy and US marine barracks in 1983 which killed hundreds.
But the Hezbollahstronghold of Dahieh is a heavily populated crowded residential area and packed with shops, markets, and high-rise apartments.
The strike appeared to have flattened an entire block, flipping cars and leaving other vehicles covered in a heavy blanket of thick dust and rubble.
Several people could be seen in video footage filmed by neighbours, trapped under piles of rubble.
The Lebanese health authority keeps on updating the number of people killed in the strike, with the latest figures reaching 14.
There are more than 60 injured, with some of those believed to be in critical condition. Children are said to be among the dead, missing and injured.
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0:24
Aftermath of IDF strike on Lebanon
‘Our actions speak for themselves’
The Israeli military immediately claimed success – saying that, along with Aqil, the strike had wiped out about 10 of his elite Radwan Force.
According to an IDF spokesman, who did not provide any evidence, Aqil’s team had been planning an attack into northern Israel similar to the Hamas attack on 7 October.
Both the prime minister and defence minister have vowed to restore security to the north of Israel so the 60,000 residents who have fled the cross-border attacks can return to their homes.
An estimated 120,000 Lebanese have also been forced out of their homes along the border.
The airstrike in the capital is the second in Beirut in two months – both, according to the IDF, targeted at senior Hezbollah commanders.
According to sources being quoted in Lebanese media, the Hezbollah group of senior leaders was meeting in an underground basement of a large housing block when the missile penetrated.
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It is unlikely to be seen as a justifiable precision attack – or a “targeted strike”, as described by the Israeli military – if the Lebanese government ministers’ reactions are anything to go by.
We spoke to several as they arrived for their emergency cabinet meeting in the hour before the attack.
They were already incensed by the back-to-back coordinated booby trap explosions of communication devices across the country. Israel has yet to confirm or deny its involvement in the blasts.
Speaking about the pager and radio explosions across Lebanon earlier this week, the country’s environment minister and head of its disaster management committee Nasser Yassin said: “It’s genocidal, it’s indiscriminate and a violation of international humanitarian law and every other law.
“We have an insane leadership on the southern end of our borders who don’t want to be indicted by the International Court of Justice.”
The information minister Ziad Makary called the explosions of communication devices “a new crime… it’s a war crime and not something that would pass easily trying to kill three thousand or four thousand civilians as we see them”.
And Amin Salam, the economy minister, warned: “Things are escalating by the minute.
“There’s more tension, more provocation. We have been doing our best to get to a peaceful solution but the escalation is unprecedented.
“It’s an act of terror, regardless of who was targeted.”
Most intense border fighting in nearly a year
The airstrike in Beirut came after a marked increase in cross-border exchanges – the most intense in nearly a year.
The Israeli military said Hezbollah had spent the early part of the day firing nearly 200 rockets across the border into Israel.
Many of them were intercepted by the Iron Dome defence system.
This followed the Israeli bombing of more than 50 targets in the south of Lebanon overnight – which the IDF said hit launchers and weapons stores.
The Israeli military is suffering losses too – there were two funerals today for Israeli soldiers killed on their northern border – but it’s Hezbollah which seems to be paying a far heavier price right now.
Hezbollah unilaterally entered this latest war on 8 October, much to the frustration of Lebanon’s caretaker government, and a day after the Hamas attack on southern Israel.
Hezbollah have repeatedly said their actions are in support of Gaza and have continued to insist they will only stop once there’s a ceasefire.
But right now, the fighting group allied to Iran – and designated a terror group by the US and UK – appears to be very much on the backfoot after three attacks in four days.
Meanwhile, Israel is ploughing on despite the cries of indignation and condemnation from the international community.
Additional reporting from Beirut with camera Jake Britton, specialist producer Chris Cunningham and Lebanon producers Jihad Jineid and Sami Zein.
Even after exploding pagers, thousands of casualties and the killing of a top Hezbollah commander in an Israeli airstrike, the UK and other allies are still hoping that all-out war between Israel and the Iran-backed militant group in Lebanon can be avoided.
But events are unfolding at a dizzying pace – far faster than governments can react – and each new attack raises the chance of escalation into wider, regional confrontation.
A big unknown is how Iran will respond.
Hezbollah is regarded as its most powerful proxy – and Tehran directly suffered from the pager bombs with its own ambassador to Lebanon being injured.
Adding to the pressure, the Iranian regime has yet to carry out any major retaliation for the killing by Israel of a top Hamas leader – Ismail Haniyeh – in Tehran in July.
Tehran will not want to fall short a second time – or else risk looking weak.
Doing nothing is also not an option.
The same is true for Hezbollah.
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1:06
Hezbollah: ‘Enemy crossed all red lines’
But a calculation by Western allies when considering the timing and scope for Hezbollah’s next move appears to be that the group’s ability to retaliate in any meaningful way for the damage it has suffered is in disarray, following the targeting of thousands of its fighters’ pagers and walkie-talkies.
Israel is accused of turning the devices into remotely detonated bombs in an unprecedented attack on Tuesday and Wednesday that left dozens of people dead and thousands wounded across Lebanon, including an undisclosed number of Hezbollah members. Israel has neither confirmed nor denied its involvement.
The blasts also devastated the group’s communication channels making it much harder to muster a speedy response – though Hassan Nasrallah, the leader, has vowed retribution.
A second factor behind the West’s hope for calm heads is a belief that neither Israel nor Hezbollah nor Iran want a full-blown war.
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1:33
Lebanon minister: ‘Israel has committed war crimes’
Israel does not yet appear to have the scale of troops on its northern border that would be needed for a large-scale ground offensive – though a ground attack is only one option.
Only striking from the air is another.
On Thursday, Israel Defence Forces launched their most intense barrage of airstrikes into southern Lebanon since the start of this latest round of hostilities almost a year ago.
The Israeli government has said it wants to enable tens of thousands of its citizens to return to their homes close to the border with Lebanon in the north from where they were forced to flee in the wake of increased Hezbollah rocket attacks.
At the same time, Nasrallah has promised to prevent this from happening, which puts the two sides on a direct collision course.
It means the risk of escalation remains high.
Against such uncertainty, David Lammy, the British foreign secretary, chaired a meeting of the government’s emergency COBRA committee on Friday.
He discussed the crisis and the UK’s ability to deal with what would be a hugely complex and risky evacuation operation of British nationals from Lebanon should the situation deteriorate significantly.
The previous evening, he had called for an immediate ceasefire by both sides following a meeting in Paris with his American, French, German and Italian counterparts.
But less than 24 hours later, Israel said it had killed Ibrahim Aqil, one of Hezbollah’s most senior commanders, in a strike on a southern suburb of Beirut – another significant blow to the group and yet one more reason for Hezbollah and Iran to want to retaliate.
A Lebanese government minister has accused Israel of committing war crimes “in a blatant way and without immediate condemnation”, in an interview with Sky News.
Walid Fayad, the country’s energy minister, also said Lebanon was “losing faith” in the UN and international laws.
He called this week’s pager attacks a move “from targeted terror to distributed and blind terror”.
Communication devices used by Hezbollah members, such as pagers and walkie-talkies, exploded on Tuesday and Wednesday, killing at least 37 people and injuring thousands.
The blasts increased fears of an all-out war in the Middle East.
Lebanon and Hezbollah say Israel was behind the pager attacks. Israel has neither denied nor confirmed its involvement.
“What I am shocked not to see is an immediate, overwhelming condemnation by all countries of the world,” Mr Fayad told The World With Yalda Hakim.
“What we have seen in front of our own eyes is civilian people in the supermarkets or going about their business in the city of Beirut and anywhere else in Lebanon dying or getting injured.”
Mr Fayad added: “This attack was perpetrated deliberately in a clear contradiction with and disobedience to all humanitarian international laws or UN resolutions with respect to Israel and Lebanon. What we are seeing is very alarming because the world is silent on a very large scale.”
He said Lebanon is losing faith “with the international laws, with the ability of the UN to enforce any law and order at world scale and at regional scale”.
He continued: “We would be certainly asking for the implementation of UN resolutions and for the implementation of the latest security council decision asking Israel to stop its attacks on the Palestinians and on the Lebanese.”
Reflecting on the approaching anniversary of the 7 October attackon Israel, in which Hamas killed 1,200 people and took around 250 hostages, Mr Fayad said: “We are looking at one year of useless conflict where Israel is not making any accomplishments with these conflicts other than total destruction for the Palestinian people and not only the people themselves, but also the infrastructure.”
Since Israel’s military response began last October, more than 41,000 Palestinians have been killed in Gaza, according to the Hamas-run health ministry there. The ministry’s count does not differentiate between fighters and civilians.
A population of more than 2.3 million people has also been displaced by the conflict in Gaza.
Mr Fayad also criticised President Joe Biden and Antony Blinken, the US secretary of state, saying that “sometimes they can be driven by national priorities”.
He said: “You have a situation in the US where it’s currently the election race time, and there are lobbies that are very strong in the US and where any change in the establishment’s policy or stance might have a bearing.”
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Mr Fayad urged world leaders to prevent “escalation into a much broader conflict” on the Israel-Lebanon border.
“World leaders happen to have a lot of leverage whether in the supply of ammunition or in the supply of financial support to the state of Israel,” he added.
“It is in their hands to use this leverage to put a stop to these atrocities and to start going in the right direction, a direction that allows… peace and stability in the region rather than complete chaos and risking everybody’s lives and escalation into a much broader conflict.”
Despite the minister’s calls for de-escalation, Israel said it hit Beirut in a “targeted” strike on Friday afternoon after Hezbollah fired 140 rockets into Israel.