The erupting lava has now been filmed from above, capturing the burning bright molten rock spewing from the earth, before splitting into small tributary-like flows.
Though the lava flow has abated, the Icelandic Met Office says more magma could yet flow from deep within the earth to fuel the fire fountains and perhaps open up new fissures.
Experts say the lava flow could stop over the weekend or next week, or could carry on at a slower rate for weeks or months.
‘Don’t visit the site’
It comes as people in Iceland have been told to stay at home and “get into the Christmas spirit” rather than attempt the risky journey to the eruption site.
Hjordis Gudmundsdottir, communications director for Iceland’s civil defence department, told Icelandic broadcaster RUV that while the lava flow has become less intense, things could still change quickly.
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Ms Gudmundsdottir also said teams had spent “a lot of time” turning away people trying to reach the site.
She told RUV that the walk to the fissure is “particularly difficult” and there is a risk of people falling into cracks in the ground.
It would be better to do some Christmas shopping, “get into the Christmas spirit or maybe just have a hot cocoa at home and wrap Christmas presents”, Ms Gudmundsdottir said.
Vidir Reynisson, the head of Iceland’s Civil Protection and Emergency Management, had previously warned that the eruption site was “not a tourist attraction” and warned people to stay away from the area.
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1:44
‘Fears more magma could rise up’
It comes after Icelandic media reported that a hiker had to be rescued after getting lost near the eruption site last night.
News website Iceland Monitor cited coast guard officer Asgeir Erlendsson as saying the man had been found safe after a search and brought to safety in a helicopter.
“The helicopter found him and took him back to town,” Mr Erlendsson told the website.
“He had become very cold and had left his equipment with a flashlight in another place, which is why it was thought that these were two men.”
Since the eruption it has slumped back down by 5cm, an indication that at least some of the pressure below ground has been vented.
But the Icelandic Met Office says more magma could yet flow from deep within the earth to fuel the fire fountains and perhaps open up new fissures.
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1:30
Eruption happened ‘in best possible spot’
Dr Katie Reeves, a teaching fellow at the University of Warwick, told Sky News it has been a “really intense but shorter event”.
“The actual lava output is quite significant in this eruption. I believe it’s comparable to the month-long eruption in [July and August] 2023 already in a couple of days,” she said.
The eruption fissure has localised into two “active areas” where cones are now building, Dr Reeves said, though its intensity is “definitely reducing”.
“It may continue at this rate. It may also increase in its rate or open up further along the actual fissure system,” Dr Reeves said.
Halldor Geirsson, associate professor at the Institute of Earth Sciences at the University of Iceland, added: “It is difficult to see exactly what is going on, but when you get some glimpses through the snow it is obvious that it is just less and less lava flow.”
Mr Geirsson said the eruption could stop over the weekend or next week, or lava flows could carry on at a slower rate for weeks or months.
The “most likely scenario is that it just stops”, he said.
“But if that happens, the pressure will start building again in the magma chamber, which is likely to trigger another eruption after a few weeks,” he added.
Iranian protesters have expressed “joy” over the death of President Ebrahim Raisi who was dubbed the “Butcher of Tehran”.
Speaking to Sky News’ The World With Yalda Hakim, three Iranians spoke on the condition of anonymity over fears of being tracked down by the country’s regime.
A protest leader – who is currently in hiding – suggested Sunday’s crash, that also killed Iran’s foreign minister, was “pre-planned”.
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Rescuers reach helicopter crash site
“We may not be across everything, but it’s been a known fact for a long time that Raisi was a serious contender to replace the Supreme Leader Khamenei, and perhaps some didn’t want that to happen.
“But all in all, this was very good news.
“All I can say is that the only thing that has made me truly happy over the past five years has been the news of Raisi’s death.”
Mr Raisi’s time in charge included major protests over Mahsa Amini – the woman who died after she was arrested for allegedly not wearing her hijab properly.
The US said Mr Raisi had “blood on his hands” as the former hardline cleric was “a brutal participant in the repression of the Iranian people for nearly four decades”.
From the voices speaking out on The World with Yalda Hakim from inside Iran there was a sense of celebration on the eve of the funeral of their dead president but also a sense of realism.
One dead president the fall of a regime does not make. That is the bitter truth for those brave Iranians speaking out and the millions of Iranians they represent. They detest a man who presided over a brutal crackdown on protests that saw hundreds killed on the streets, and thousands incarcerated, tortured, raped or killed after their arbitrary arrest.
But there are reasons for Iranians to find some hope in the news of the president’s death.
Analysts have compared the Iranian theocratic Islamic regime to the Soviet Union in its dying days.
It is ideologically bankrupt. Its people do not believe in what it stands for anymore. It is morally bankrupt too, after the brutal repression that crushed the Women, Life and Freedom protests. But it remains powerful, with many people on its payroll and it is hard to predict how or when it falls.
Iran’s people want one thing though, and its government the opposite, and that ultimately is impossible to sustain.
Raisi had a unique skill set. He was both a zealous idealogue and an ex-judge. A man who understood how both Iran’s judiciary and presidency works. He combined a passionate belief in the Iranian revolution with an expertise in how its regime operated.
It has been said many times in the last 24 hours that Ayatollah Khamenei, Iran’s supreme leader, will find another hardliner to replace him. There are plenty more where he came from.
But no one with quite his skills and expertise. That may not be important immediately but at the moment of greatest danger in the not so distant future when Khamenei dies, it could make all the difference.
With no anointed successor, the supreme leader’s passing could usher in a period of instability and weakness for the regime. Raisi was seen as a potential successor but also a powerful stabilising force as president in that perilous hiatus, someone who could hold the ring while the new order is established and power struggles fought out.
Raisi’s death may well not mean immediate change for Iran but it could ultimately hasten its end.
A housewife, who was beaten up for taking parting in the “Woman, Life, Protest” movements, said: “The public hatred towards this regime is not a secret to anyone.
“Raisi’s death proved that the pain that this inflicted on our people will one day hit them back.
“My personal reaction to the death of Raisi… I was very happy.
“I’m not upset at all. Even though I never wish death on anyone, but this man, not only did he not do anything for our nation, but he ordered the death of countless young innocent people.”
Following news of Mr Raisi’s death, US State department spokesperson Matt Miller said the Iranian president “was involved in numerous horrific human rights abuses, including playing a key role in the extra judicial killing of thousands of political prisoners in 1988”.
“Some of the worst human rights abuses occurred during his tenure as president, especially the human rights abuses against the women and girls of Iran,” he added.
The US approach to Iran “will not change” because of Mr Raisi’s death, Mr Miller said.
Joe Biden has said ‘what is happening in Gaza is not genocide’ following an arrest warrant request by the International Criminal Court prosecutor for Israeli prime minister Benjamin Netanyahu.
The US president branded the warrant request as “outrageous,” adding “whatever this prosecutor might imply, there is no equivalence – none – between Israel and Hamas.”
“What’s happening in Gaza is not genocide. We reject that,” Mr Biden said at a Jewish American Heritage Month event at the White House.
He said American support for the safety and security of Israelis is “ironclad”.
International Criminal Court (ICC) prosecutor Karim Khan KC has applied for arrest warrants to be issued for Israel’s prime minister and Hamas leader Yahya Sinwar over alleged war crimes.
He is also seeking arrest warrants for Israeli defence minister Yoav Gallant – and other top Hamas leaders Mohammed Diab Ibrahim al Masri, more commonly known as Deif (commander-in-chief of the military wing of Hamas, known as the al Qassam Brigades), and Ismail Haniyeh (head of Hamas’s political bureau).
Mr Netanyahu said: “As prime minister of Israel, I reject with disgust the Hague prosecutor’s comparison between democratic Israel and the mass murderers of Hamas.
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“With what audacity do you compare Hamas that murdered, burned, butchered, decapitated, raped and kidnapped our brothers and sisters and the IDF soldiers fighting a just war.
“No pressure and no decision in any international forum will prevent us from striking those who seek to destroy us.”
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In a statement, Mr Khan outlined the reasons his office was applying for the arrest warrants.
“Now, more than ever, we must collectively demonstrate that international humanitarian law, the foundational baseline for human conduct during conflict, applies to all individuals and applies equally across the situations addressed by my office and the court,” he said.
“This is how we will prove, tangibly, that the lives of all human beings have equal value.”
On the Hamas leaders, he said he has reasonable grounds to believe they “bear criminal responsibility” for “war crimes and crimes against humanity”.
He outlined a list of alleged crimes, including murder, taking hostages and rape and other acts of sexual violence.
“We submit that the crimes against humanity charged were part of a widespread and systematic attack against the civilian population of Israel by Hamas and other armed groups pursuant to organisational policies. Some of these crimes, in our assessment, continue to this day,” he said.
On Mr Netanyahu and his defence minister Mr Gallant, Mr Khan said he has reasonable grounds to believe they too “bear criminal responsibility” for “war crimes and crimes against humanity”.
He outlined a list of alleged crimes, including “starvation of civilians” and “intentionally directing attacks against a civilian population”.
“We submit that the crimes against humanity charged were committed as part of a widespread and systematic attack against the Palestinian civilian population pursuant to state policy. These crimes, in our assessment, continue to this day,” he said.
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Benny Gantz, a former military chief and member of Israel’s war cabinet, harshly criticised Mr Khan’s announcement, saying Israel fights with “one of the strictest” moral codes and has a robust judiciary capable of investigating itself.
South Africa, which has been leading a genocide case against Israel, welcomed the news Mr Khan was seeking the arrest of Israeli and Hamas leaders.
“The law must be applied equally to all in order to uphold the international rule of law,” the office of South African president Cyril Ramaphosa said.
There are mechanisms to protect the regime in events like this and the Revolutionary Guard, which was founded in 1979 precisely for that purpose, will be a major player in what comes next.
In the immediate term, vice-president Mohammed Mokhber will assume control and elections will be held within 50 days.
Mokhber isn’t as close to the supreme leader as Raisi was, and won’t enjoy his standing, but he has run much of Khamenei’s finances for years and is credited with helping Iran evade some of the many sanctions levied on it.
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Drone footage of helicopter crash site
Raisi’s successor will most likely be the chosen candidate of the supreme leader and certainly another ultra-conservative hardliner – a shift back to the moderates is highly unlikely.
Likewise, we shouldn’t expect any significant change in Iran’s foreign activities or involvement with the war in Gaza. It will be business as usual, as much as possible.
However, after years of anti-government demonstrations following the death of Mahsa Amini in 2022, this might be a moment for the protest movement to rise up and take to the streets again.