Iran condemned the attack on its state broadcaster as a "war crime", and called on the UN Security Council to take action.
An Israeli strike hit Iran's state broadcaster while the head of the UN nuclear watchdog indicated extensive damage to Iran's biggest uranium enrichment plant and Iran called on the US to force a ceasefire in the four-day-old aerial war.
Israeli forces have stepped up their bombardment of Iranian cities, while Iran proved capable of piercing Israeli air defences with one of its most successful volleys yet of retaliatory missile strikes.
Sources told Reuters news agency that Tehran had asked Qatar, Saudi Arabia and Oman to press US President Donald Trump to use his influence on Israeli Prime Minister Benjamin Netanyahu and push for an immediate ceasefire. In return, Iran would show flexibility in nuclear negotiations, said the two Iranian and three regional sources.
Late on Monday local time, Israel said it hit Iran's broadcasting authority, and footage showed a newsreader hurrying from her seat as a blast struck. Iran's State News Agency also reported the strike.
Iran condemned the attack as a "war crime", and called on the UN Security Council to take action.
Iranian media said Iran was preparing for the "largest and most intense missile attack" yet against Israel, including against military and intelligence targets.
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