Israel bombed the center of Beirut for the first time in almost a year of hostilities with Lebanon’s Hezbollah, as the military steps up air assaults following the killing of the Iran-backed group’s chief last week.

An Israeli airstrike hit an apartment in a multistory building in central Beirut, killing three Palestinian militants, as Hezbollah’s acting leader promised the group will fight on following the death of its long-time head Hassan Nasrallah.

An airstrike has leveled an apartment building and killed three Palestinian militants in central Beirut, as Israel appeared to send a clear message that no part of Lebanon is out of bounds.