The attack raised concerns that the cease-fire that ended a war between Israel and Lebanese militants might be in jeopardy.

A huge plume of smoke billowed over the area after the strike, which hit what looked like a metal tent situated between two buildings, according to an Associated Press photographer on the ground.

The Israeli army said on Sunday it struck a southern Beirut building being used to store precision missiles belonging to Hezbollah. The attack was a further test of a fragile ceasefire between Israel and the Iranian-backed group.