The U.S. military says it's launched strikes on Iran for a seventh night in a row as fighting escalates over Strait of Hormuz.
U.S. Central Command announced it has begun launching "additional strikes against Iran," hours after Trump said the ceasefire was over.
Crowds of hundreds of thousands chanted "Death to America" and "Death to Israel," as they called for revenge over the Feb. 28 attack.
Iran has begun a dayslong funeral for the late Supreme Leader Ayatollah Ali Khamenei, months after an airstrike killed him at the start of the war.
After four days of trading strikes, both sides appeared to pause their attacks Monday.
Former ABC News producer Max Oseredchuk was killed in a Russian drone attack while serving in Ukraine's military.