U.S. special envoy to Lebanon Amos Hochstein overnight told local media that the United States was working "non-stop" towards a ceasefire in the country.

France said on Friday it had summoned the Israeli ambassador after U.N. peacekeepers in Lebanon said Israeli fire on their headquarters wounded two staff.

Ireland's foreign minister Micheal Martin on Friday condemned an attack by Israeli forces in southern Lebanon that left two United Nations peacekeepers wounded.

Lebanon on Friday condemned an Israeli attack that it said wounded United Nations peacekeepers in the country's south, after state media reported a second such attack in as many days.

The displacement of hundreds of thousands of people in Lebanon is "devastating", a U.N. migration official has said, warning international support was falling short of the needs, amid intense Israeli bombing.

After a year of cross-border fire between Israel and Hezbollah, which launched attacks on Israel in support of its ally Hamas in Gaza, Israel last month escalated attacks on what it says are Hezbollah targets in Lebanon's south, east and south Beirut.

The UK government on Friday condemned firing by Israeli forces on a United Nations peacekeeper base in Lebanon, urging all parties in the conflict to "comply with international law."

"We were appalled to hear those reports and it is vital that peacekeepers and civilians are protected," a spokeswoman for Prime Minister Keir Starmer told reporters.

Lebanese Christian Joseph Jarjour was hoping for a peaceful retirement at home in south Lebanon, but has instead found himself caught in the crossfire of the Israel-Hezbollah war.

"We're trapped," said the 68-year-old retired teacher in the southern village of Rmeish, around two kilometers (one mile) from the Israeli border.

Hezbollah senior leader Wafiq Safa was seriously injured and is in critical condition following the deadly Israeli airstrikes that targeted two buildings in Beirut’s Noueiri and Bourj Abi Haidar areas, sources told Sky News Arabia on Friday.

Rescue workers searched through the rubble of a collapsed building in central Beirut on Friday morning, hours after two Israeli strikes hit the Lebanese capital, killing at least 22 people and wounding dozens.

The air raid was the deadliest attack on central Beirut in over a year of war, hitting two residential buildings in neighborhoods that have swelled with displaced people fleeing Israeli bombardment elsewhere in the country.

Caretaker Prime Minister Najib Mikati on Friday urged the United Nations to pass a resolution calling for an "immediate" ceasefire between Israel and Hezbollah.

Mikati told reporters the foreign ministry would ask the U.N. Security Council to issue a resolution demanding a "full and immediate ceasefire" and that his government was committed to Resolution 1701 which was adopted in 2006 and called for the Lebanese army and peacekeepers to be the only armed forces deployed in the south of the country.