New Delhi, May 29 : An under trial prisoner in Delhi's Tihar prison was injured after a group of inmates attacked him with a handmade weapon on Monday afternoon, an official said According to a senior prison official, at around 12.40 p.m. at Central Jail no 1's Ward No 2), a few inmates attacked Rahul alias Pawan with an improvised knife, handmade 'sua' and tile, resulting in injury to the inmate. One attacker, identified as Alok alias Vishal, had inflicted a self-injury subsequent to the incident, the official said. "The jail staff and Quick Response Team intervened and the inmates involved in the incident were separated immediately," said the official. After primary medical aid at the jail dispensary, both the injured inmates were moved to the DDU Hospital for further medical treatment. "We have informed Hari Nagar police station for lodging FIR and taking further legal action in the matter," the official added. /IANS