An associate of UP gangster Ankit Gujjar, whose death in Tihar Jail prompted a CBI probe, was arrested from northeast Delhi's Welcome area. Police said the accused, Amit Dedha, who was also associated with Rohit Chaudhary's gang, was part of an inter-state arms racket. Police said two semi-automatic pistols and 17 live cartridges, besides a stolen scooter, were recovered.