Israel's military on Saturday warned residents in a district of Lebanon's Tyre to evacuate ahead of strikes, and reiterated a demand for people to leave the area south of the Litani River.

The Israeli military's strikes on east Lebanon, where Israeli forces carried out a commando operation, killed 41 people, the Lebanese health ministry said on Saturday.

The United Nations special coordinator for Lebanon on Saturday urged Lebanon and Israel to enter talks to negotiate an end to hostilities after the outbreak of a renewed Israel-Hezbollah war.

Israeli Defense Minister Israel Katz on Saturday warned President Joseph Aoun that Lebanon would pay a "very heavy price" if it fails to disarm Hezbollah.

U.S. President Donald Trump threatened to escalate the bombing of Iran on Saturday as Iranian President Masoud Pezeshkian vowed that he would never surrender, despite a fresh blitz of U.S. and Israeli air strikes that set a Tehran airport ablaze.

Israel confirmed some of the biggest raids since the aerial bombardment of Iran began last Saturday, with a military academy, an underground command center and a missile storage facility named as targets.

Israel's military said Saturday it had carried out an operation in east Lebanon to find remains of airman Ron Arad, but failed to uncover any trace of the navigator missing since 1986.

Here are the latest events in the Middle East war on Saturday:

Hezbollah on Saturday said it confronted Israeli troops that infiltrated an east Lebanon town overnight, with Lebanese authorities reporting at least 16 killed in Israeli strikes on the area.

Aid agency the Norwegian Refugee Council (NRC) said Friday that 300,000 people in Lebanon had been forced to flee after Israel launched a wave of evacuation orders and airstrikes.

The aid agency also questioned the legality of the mass-evacuation orders Israel had issued there.

President Donald Trump said Friday that only Iran's "unconditional surrender" would bring an end to the Middle East war, as Tehran was rocked by some of the heaviest U.S.-Israeli strikes of the spiralling, week-long conflict.