Renewed strikes hit southern Beirut on Thursday, after the Israeli military warned people to evacuate the area.
Lebanon's official National News Agency reported "three violent strikes on Haret Hreik" neighborhood, hours after three strikes on the same area at dawn.
U.S. envoy Amos Hochstein was in Lebanon on Tuesday and Wednesday, seeking to hammer out a ceasefire between Israel and Hezbollah.
In Beirut on Wednesday, the U.S. envoy met twice with Lebanese parliament speaker Nabih Berri, who has led mediation efforts on behalf of Hezbollah.