Israel and Iran have begun a new round of attacks, as the conflict between the two heavily armed rivals enters its fourth day.

Iranian news media and residents of Tehran say the damage from the latest Israeli strikes appears to be significant, with several apartment buildings badly damaged. Residents say they are hearing ambulance sirens and fire trucks racing to the scenes and rescue workers are working to find casualties in the rubble.

Israel struck Iran’s state-run television station during a live broadcast, forcing a reporter to run off camera following an explosion, after Iran fired a new wave of missiles at Israel that killed at