BEIRUT — A massive Israeli airstrike that hit a residential building in a central district of Beirut early Saturday killed at least 20 people, thundered across the city and underlined fears in Lebanon that the war is escalating, days after diplomatic ...

Israel was targeting a senior Hezbollah commander, but failed to kill him, one Israeli official said. Hezbollah officials said none of the group’s leaders were at the attack site.

A powerful airstrike killed 11 people in central Beirut on Saturday, the health ministry said, shaking the capital as Israel pressed its offensive against the Iran-backed Hezbollah group.