<br/>A drunk CRPF constable allegedly fires indiscriminate at his colleagues, killing six of them, including an assistant commandant, before being shot dead in Jharkhand's Saraikela district on Friday.<br/><br/>Harpinder Singh of 196 battalion, who was on sentry duty at a CRPF camp, started indiscriminately firing at his colleagues, according to sources.<br/><br/>Six of his colleagues, including Assistant Commandant Bisahu Singh, were killed in the firing that lasted for four hours. As Harpinder Singh continued to fire, CRPF personnel at the camp shot him dead.<br/><br/> <br/><br/>An inquiry has been ordered into the incident.