Four people including a Manipur police commando were shot dead and several others were injured in separate places in Bishnupur district, as violence continued in the northeastern state on Friday, officials said.

While the policeman was killed in a gun battle with suspected militants at Moirang Turel Mapan in the evening, three others including a teenage boy lost their lives in the wee hours in villages near the border of Bishnupur and Churachandpur districts.