Video shows mushroom cloud rising over Tehran after huge blast

Israeli attacks have so far killed 585 people and injured 1,326, the human rights website HRANA reported citing non-governmental sources. The casualties were among military personnel and civilians, it added.

239 civilians have been killed and 335 injured, HRANA reported, while among the Islamic Republic’s military forces, 126 have been killed and 123 wounded.

The military or civilian status of another 220 killed and 868 injured individuals remains unknown and is still under investigation, it added.

For full coverage of earlier developments, see our previous live blog here.

"This was the most terrifying explosion of the past few days. The light kept shining for two minutes," an eyewitness told Iran International.

The US Embassy in Jerusalem announced it would close from Wednesday through Friday citing “security concerns” but giving no further details.