Pic claims to show Iran's ex-Supreme Leader Ali Khamenei 23 minutes before assassination

An unverified picture claiming to show final moments of former Iranian Supreme Leader Ali Khamenei has gone viral on social media. According to Lebanese state news Al Mayadeen, the photo was released by Iran. The CCTV image, taken 23 minutes before US-Israeli strikes assassinated him, shows Khamenei sitting on a chair in his office and reading something.