Three United A'chik Liberation Army militants were shot dead by a special police commando team which raided their camp in Sampalgre area, a few kilometre from the district headquarters, Inspector General of Police (Western Range), H Nongpluh, told PTI here.
He said that an injured militant was captured and another named Norok, a former leader of the ANVC group which signed a tripartite ceasefire agreement with the Centre, escaped.
Norok, was released from the district jail earlier this year.
He was also responsible for shooting dead two jailers and attacks on security forces in the district, police sources said.
The police recovered a pistol, a few grenades and documents from the camp.