"Khamenei's position is surely weakened," Arash Azizi, who unveiled an alleged plot against the supreme leader, told Newsweek.

Iran has raised the official death toll for its war with Israel, with official media reporting 935 people were killed in the country during the 12-day conflict.

Israel is interested in establishing formal diplomatic relations with long-standing adversaries Syria and Lebanon, but the status of the Golan Heights is non-negotiable, Israeli Foreign Minister Gideon Saar said on Monday.