What we know so far: Supreme Leader Khamenei killed, as Iran launches retaliatory strikes
What we know so far: Supreme Leader Khamenei killed, as Iran launches retaliatory strikes 2 hours ago Hafsa Khaliland David Gritten Iran's state media has confirmed that Supreme Leader Ali Khamenei has been killed, after attacks across Iran by Israel and the US, which began on Saturday morning local time.
Pictures showed smoke over the city's Jomhouri Square and Hassan Abad Square.
Videos circulating on social media showed people running in panic near sites of explosions.
The sound of screams and crying could be heard in the background.
Footage from Tehran verified by the BBC showed explosions within 1km (0.
6 miles) of Leadership House, Khamenei's compound.
It was not immediately clear whether he was there at the time of the strikes.
"There are many signs that the tyrant himself is no more," he added.
Trump then wrote on Truth Social: "Khamenei, one of the most evil people in History, is dead. "
Iranian state TV said President Masoud Pezeshkian was "safe" and he later put out a statement.
Iran's Civil Aviation Organisation has said the country's airspace is closed until further notice.
What have the US and Israel said?
Just over an hour later, Trump confirmed US involvement in the strikes.
"We're going to destroy their missiles and raze their missile industry to the ground.
It will be totally again obliterated," he said in a video posted on Truth Social.
"And we will ensure that Iran does not obtain a nuclear weapon. "
Iran has said repeatedly its nuclear activities are entirely peaceful.
And he urged Iranian people to prepare to overthrow the clerical establishment.
"When we are finished, take over your government.
This will be probably your only chance for generations. "
The jets simultaneously dropped hundreds of munitions on about 500 targets, it added.
The first-aid organisation said that 24 of Iran's 31 provinces had been hit.
One person was killed in Abu Dhabi, UAE state media said.
He warned bombing would continue throughout the week, so the death toll may rise.
How might Khamenei's successor be chosen?
They are elected by direct vote every eight years.
Is it safe to travel to the region?
It said that 716 flights out of 4,329 Sunday's scheduled flights have already been cancelled.
British Airways has cancelled flights to Tel Aviv and Bahrain until Wednesday.
"Customers travelling up to and including 4 March may also request a full refund. "
Emirates has temporarily suspended its operations to and from Dubai.
Lufthansa, Air India, Virgin Atlantic and Turkish Airlines have also announced cancellations.
Some countries in the region - including Iraq and Jordan - have also closed their airspace.
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