The UK is boosting its humanitarian support for Lebanon with a further £10 million to respond to the mass displacement of people, as well as the growing number of civilian casualties, the British embassy said.

The Lebanese Forces on Friday called for open-ended parliamentary sessions to elect a new president, accusing the Hezbollah-led camp of "continuing to block the election while falsely blaming the LF."

“We believed for a moment that this tragedy that the Lebanese are experiencing at the present time will push some political figures, especially the Defiance camp, to deeply review all their positions that have brought Lebanon and the Lebanese to where we are now,” the LF said in a statement.

Hezbollah is receiving “very severe blows, one after the other,” Israeli Defense Minister Yoav Gallant said on Friday.

A source close to Hezbollah said Israel had conducted 11 consecutive strikes on the group's south Beirut stronghold late Thursday, in one of the most violent raids since Israel intensified its bombardment campaign last week.

Three Israeli officials told U.S. news portal Axios that Hezbollah senior official Sayyed Hashem Safieddine was the target of the strike.

An Israeli strike on the town of al-Maaysra in Keserwan targeted the house of Sheikh Mahmoud Amr, the National News Agency said.

The son-in-law of Hezbollah chief Sayyed Hassan Nasrallah - who was killed last week in a massive Israeli strike in south Beirut - was killed in an Israeli raid in Damascus Wednesday, an NGO said.

"Hassan Jaafar Qassir, the son-in-law of Hassan Nasrallah, was among two Lebanese victims of the Israeli raid which targeted an apartment in a residential building in the Mazze district of Damascus," said the Syrian Observatory for Human Rights, a claim a source close to Hezbollah confirmed to AFP.

Nine people were killed in an Israeli air raid on a Hezbollah rescue facility in the heart of Beirut late Wednesday, according to the Lebanese health ministry.

The airstrike in the residential Bashoura district targeted an apartment in a multi-story building that houses an office of the Islamic Health Organization, a group of civilian first responders affiliated to Hezbollah.

Caretaker Prime Minister Najib Mikati, Parliament Speaker Nabih Berri and former Progressive Socialist Party leader Walid Jumblat met Wednesday in Ain el-Tineh, as the region braced for further escalation following an Israeli incursion in south Lebanon and Iran’s ballistic missile attack on Israel.

Mikati called after the meeting for an immediate ceasefire, immediate implementation of Resolution 1701, the deployment of the Lebanese army south of Litani and coordination with UNIFIL.

An Israeli strike Wednesday targeted Choueifat, south of Beirut, after a night of repeated strikes on Beirut's southern suburbs.

At least five Israeli strikes hit Beirut's southern suburbs early Wednesday, a Lebanese security source said.

The Israeli military said it launched a fresh strike on south Beirut on Tuesday.

"The IDF (Israeli military) conducted a precise strike in Beirut," the statement said, without offering details, while local media outlets reported simultaneous strikes on an apartment in a building in Jnah near al-Zahraa Hospital, and on another region in Beirut's southern suburbs.