A top Iranian official has pledged his country's unwavering support for Lebanon after talks with Lebanese leaders on the Israel-Hezbollah war.

Hezbollah is considering a US-Israeli ceasefire proposal, sources told CNN, as diplomatic efforts to end the conflict between Israel and the Lebanese militant group intensify.

Israel carried out more strikes on Hezbollah targets in Lebanon Friday, leveling a building in Beirut. The attack comes as a top Iranian official is vowing to support the Lebanese and the U.S. pushes for a cease-fire.

The World Bank estimated that about $8.5 billion worth of damages and losses have piled up from the year-long war in Lebanon, which had already been struggling with a devastating economic crisis.

A senior adviser to Iran's supreme leader Ayatollah Ali Khamenei met Lebanese officials in Beirut Friday, the third high-profile Iranian solidarity visit since the Israel-Hezbollah war began in September.

The visit of Ali Larijani, an adviser to Iran’s supreme leader Ali Khamenei, to the Lebanese capital was punctuated with a renewed aerial attack by Israel on the southeastern edge of the city.

A top Iranian official has pledged his country's unwavering support for Lebanon after talks with Lebanese leaders on the Israel-Hezbollah war.