Georgia braced for protests on Monday, after the pro-EU opposition called for mass demonstrations, accusing the ruling party of "stealing" this weekend's parliamentary election in what the Caucasus country's president called a "Russian special operation."

Hezbollah said it fired rockets at a military base in northern Israel on Sunday, a day after it declared several areas in the region a "legitimate target" due to the presence of Israeli troops.

Lebanon's health ministry said at least eight people were killed and 25 others wounded Sunday in an Israeli strike near the southern city of Sidon, where an AFP correspondent said a building was targeted.

The Israeli military on Sunday said four soldiers were killed in southern Lebanon, bringing to 36 the total number of Israeli soldiers killed since the start of ground operations on September 30.

The soldiers "fell during combat in southern Lebanon," the army said in a statement, adding that they were killed on Saturday.

Iran's supreme leader Ayatollah Ali Khamenei on Sunday said Israel's attack on the Islamic republic "should neither be exaggerated nor minimized."

A driver rammed his truck into a crowd of people at a bus stop in central Israel on Sunday, killing a man and injuring more than two dozen people, medics and police said.

With the U.S. presidential election heading into the home stretch, Israeli Prime Minister Benjamin Netanyahu will likely be hoping for Donald Trump to return to the White House.

Hezbollah has warned of a "dangerous escalation" in the region, saying Washington bears "full responsibility" for the "treacherous" raids on Iran launched by its Israeli ally.

"Hezbollah strongly condemns the treacherous Zionist aggression against the Islamic Republic of Iran and considers it a dangerous escalation at the level of the entire region," Hezbollah said in a statement.

Lebanon's state news agency on Sunday reported a series of overnight Israeli airstrikes on Beirut's southern suburbs, after Israel's army issued fresh evacuation calls.

The official National News Agency said shortly after midnight that Israel had "targeted the southern suburbs of Beirut."

Iran warned it would defend itself after Israeli air strikes killed at least four soldiers and further stoked fears of a full-scale war in the Middle East.