LAHORE City police have begun investigations to probe into the killing of a 50-year-old real-estate agent who was found strangled inside his residence in Islampura police area on Sunday. Police investigators said on Monday that the deceased, later identified as Rahmat Ali, was lying dead in his house in Bilal Gunj area as they reached the spot. The deceased family told the police that Rahmat was alone at the house when someone strangled him to death with a piece of rope and fled away. After the autopsy, the police handed over the body to the deceaseds family. He was later buried at a local graveyard. The police have registered the murder case against unidentified killers on the complaint of Babar Ali, son of the deceased.