Firing between security forces and armed men has been reported from Pallel area of Manipur's Tengnoupal district since early hours of Friday, officials said.
Manipur witness more violence on Tuesday when unidentified armed men, suspected to be cadres of banned terror groups, attacked people from the tribal community in the morning killing three of them in Kangpokpi district, officials said.
Sub-divisional police officer Chingtham Anand, a resident of Imphal's Haobam Marak locality, was killed in a sniper attack while he was on duty overseeing the cleaning of the grounds of Eastern Shine School for construction of a helipad jointly by the police and BSF, officials said.
Terrorists belonging to banned groups United National Liberation Front (UNLF) and People's Liberation Army (PLA) were allegedly part of the mob from which gunshots were fired at an army officer that left him severely injured in Manipur, officials said Monday.
The security agencies have been warning that militants belonging to United National Liberation Front, People's Liberation Army and other banned groups had become part of the mobs and carrying out sneak attacks on security forces as well as giving directions to the agitators.
People who had fled from the villages located close to the site of June 4 ambush on Armymen in Manipur's Chandel district have started to return home.
A labourer was killed and six others were injured when suspected militants exploded two bombs in Thoubal district of Manipur, police said.
A colonel of the Indian Army and five others were on Sunday arrested by the Manipur police in Chandel district after they were allegedly caught carrying illicit drugs valued at Rs 15 crore meant to be smuggled out to Myanmar, in one of the biggest such seizures in the state.
The seizure of liquor has been a matter of concern for the EC since it apprehends that the liquor might be used to influence the voters.