Explosions in Tehran, shortly after US President Donald Trump called for "everyone" to immediately evacuate the Iranian capital. The US president also cut short his visit to the G7 due to the situation in the Middle East.
Israel and Iran continued to exchange missile barrages and threats for the fifth consecutive night, with Tehran vowing to strike Israeli territory "without interruption until dawn" after a new wave of Israeli bombings against various targets, including state television in the middle of a broadcast.
Trump has asked his National Security Council to convene, but the US is not participating in the Israeli attack on Iran, US officials say
In Iran, the BBC correspondent says roads are blocked and people are exhausted. "How can 10 million people evacuate?" asks one resident.
Sirens in Israel have sounded several times in recent hours, with no significant damage reported yet.
Earlier on Monday, Israel said it had attacked Iranian state media buildings in Tehran, with the attacks captured on live television.
Iran's Health Ministry says at least 224 people have been killed in Israeli strikes since Friday. The death toll in Israel rose to 24 earlier.
