Iran will pick a new supreme leader in ‘one or two days’ as retaliation attacks spread to more targets after Khamenei’s death

Iran vowed revenge Sunday after the killing of its supreme leader and traded strikes with Israel as part of a widening war prompted by a surprise U.S. and Israeli bombardment a day earlier.

Blasts in Tehran sent a huge plume of smoke into the sky in an area where there are government buildings. Iranian authorities say more than 200 people have been killed since the start of the U.S. and Israeli strikes that killed Ayatollah Ali Khamenei and other senior leaders. Earlier, Iran fired missiles...