Israeli troops are understood to have made their deepest incursion into southern Lebanese territory since the recent offensive began on October 1, as the militant group Hezbollah considered its response to a fresh ceasefire proposal.

Strikes by the Israeli army killed at least 20 people in Gaza on Sunday, the civil defence said, while also hitting a Hezbollah stronghold near Beirut's international airport.Israel has been fighting on two fronts since September,

Hezbollah is considering a US-Israeli ceasefire proposal, sources told CNN, as diplomatic efforts to end the conflict between Israel and the Lebanese militant group intensify.

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

Lebanon is considering a U.S.-backed cease-fire plan while Israel launched new strikes in the area south of Beirut. Senior Lebanon officials are reviewing the proposal and it is based on the U.N. Security Council resolution 1701,

Israel launched more airstrikes on Hezbollah targets Friday, completely leveling a building in Beirut. The strikes come after a top Iranian official committed to support Lebanon as the U.S. continues to push for a cease-fire deal.