Israel has stepped up strikes on the city’s southern suburbs in recent days, an area Israeli officials say hosts Hezbollah militants and infrastructure.

As a top adviser to Iran's supreme leader Ali Khamenei visited Lebanon for talks, Lebanese officials said a U.S. proposal for a cease-fire deal had been passed on to Hezbollah.

Fresh Israeli airstrikes hit Beirut's southern suburbs late Friday following a heavy bombardment in the morning. A dpa reporter said there were at least three explosions and that black smoke rose over the Ghobeiry area.