Lebanon's health ministry said on Sunday that Israeli strikes had killed 1,238 people in the country since the start of the latest war with Hezbollah on March 2.

Iran's ambassador will not leave Lebanon despite being declared persona non grata and ordered to leave the country by Sunday, an Iranian diplomatic source told AFP.

"The ambassador will not leave Lebanon, in accordance with the wishes of the speaker of parliament Nabih Berri and of Hezbollah," the source said, speaking on condition of anonymity.

The American University of Beirut on Sunday said it would operate remotely over the next two days, following the Iranian Revolutionary Guards' threat to target U.S. universities in the region.

French Foreign Minister Jean-Noël Barrot condemned the killing of three journalists in an Israeli airstrike in Lebanon, stressing that journalists should "never" be targeted in conflict zones.

Israel’s Prime Minister Benjamin Netanyahu said on Sunday that he had ordered the military to “further expand” a security zone in Lebanon as Israel continues its campaign in the neighboring country.

“In Lebanon, I have just ordered the military to further expand the existing security zone,” Netanyahu said in a video statement.

The Lebanese health ministry said a strike Saturday evening on Hanniyeh town in Tyre province killed seven people, six Syrians, including a child, and one Lebanese person, and wounded nine others.

Mourners gathered on Sunday in Choueifat, south of Beirut, for the funerals of three journalists killed by an Israeli airstrike.

Iran's Foreign Minister Abbas Araghchi on Sunday condemned Israel's killing of three journalists in Lebanon the day before.

Israeli warplanes broke the sound barrier over Beirut and several areas on Saturday night, state media reported, as residents heard loud booms reverberate across the city and in the mountains.

Lebanese Health Minister Rakan Nassereddine said Saturday that 46 rescuers and five medical staff had been killed by Israel since the start of the war with Hezbollah on March 2.