Israel’s defense minister warned Saturday that “Tehran will burn” if Iran continues firing missiles, as the two countries traded blows a day after Israel launched a blistering surprise attack on Iranian nuclear and military sites,

On Saturday, residents in Tehran reported hearing explosions, and the Iran air defense fired nonstop rounds in the Pastour neighborhood. Precise casualty figures in Iran were difficult to confirm. But Iran’s U.N. ambassador, Amir Saeid Iravani, told the U.N. Security Council that Israel’s strikes in Iran had killed 78 people and injured 329 others.