The Central Reserve Police Force (CRPF) on Saturday had ordered an inquiry into the killing of six of its personnel, including an Assistant Commandant, by one of their colleagues in Kuchai village in Jharkhand's Saraikela District. <br/><br/>As reported earlier, a constable had opened indiscriminate firing on his colleagues after consuming liquor late on Friday night. Later, Singh was also shot dead in the retaliatory fire.