The vast majority of deaths reported so far have been in Iran, but the human toll is being felt around the world.
The Pentagon and Middle Eastern countries say that most of the drones have been intercepted. But some have slipped through and caused damage.
There were students attending classes at the time that the school was destroyed. Some 175 people were killed by the attack on the girls’ elementary school.
The militant group’s attacks, apparently at the behest of Iran, led to retaliation from Israel and were “practically a suicide mission” for Hezbollah, an analyst said.
President Trump’s embrace of military action in Iran was spurred by an Israeli leader determined to end diplomatic negotiations. Few of the president’s advisers voiced opposition.
The grim toll signaled that Iran was more prepared for war than the Trump administration anticipated, U.S. military officials said.
Despite warnings after an earlier wave of killings, top Iranian officials gathered in person, and Israel seized the chance to kill Iran’s supreme leader.
Experts say that Iran’s clerical rulers may be too deeply entrenched for Iranians to topple them, and that the U.S. and Israeli strikes risk setting off deeper radicalization or violence.
The killing of Iran’s supreme leader and other top Iranian officials came after close intelligence sharing between the United States and Israel, according to people familiar with the operation.
As Iran’s second supreme leader, he brutally crushed dissent at home and expanded Iran’s footprint abroad, challenging Saudi Arabia for regional dominance.