The Israeli military has launched a fresh wave of attacks against Hezbollah targets in the Lebanese capital Beirut, a spokesman said late on Friday, hours after a previous series of strikes.

Israeli Chief of Staff Eyal Zamir said there were "significant plans to continue the operation" against the Iran-backed militia during a visit to troops in southern Lebanon in the evening.

"We are at a historic turning point," Zamir said.

Israel was pursuing its plan "to fundamentally change the security situation — from Tehran to Beirut," he said.

Israel had also started a new wave of attacks against Iran, according to the military.

It did not provide any further details about the targets.