Some unknown person has sent a threatening letter in the name of Salman Khan and his father Salim Khan. It is reported that a threatening letter was found in Bandra's Bandstand Promenade on Sunday. In this letter, Salim and Salman have been threatened. The letter was found by Salim Khan's guard at the place where Salim goes to sit after his morning walk. Police have filed FIR in this matter. Watch this video to know more.