Imphal, Oct 24: Nine militants were gunned down by troops and Manipur Police in separate encounters overnight.
A huge cache of arms and ammunition, including RDX, along with incriminating documents and extortion letters, were also recovered from the spot.
Police said a major offensive was launched against the Kangleipak Communist Party (KCP-MC), which was responsible for the October 21 bomb attack at Ragailong, Imphal East.
A fierce encounter took place last night at Imphal East, in which five KCP-MC (Lamyanba Khuman) cadres were shot dead.
Troops of 39 Assam Rifles and Imphal East police commandos launched an operation after getting specific information about the presence of the militants.
The troops slowly marched towards Heingang Marjing and an encounter ensued in the foothills, in which the five ultras were eliminated.
Police said two M-16 rifles with 27 rounds, a 9 mm pistol with five rounds, one carbine with three bullets, one single barrel gun, one Chinese hand grenade, one lethod bomb, battery chargers, nine detonators and two kgs of RDX were seized.
In another encounter, two militants were killed last night at Maharabi, Imphal West by 39 AR and Imphal West police. One 9 mm pistol along with two bullets and a Chinese hand grenade were recovered from the spot.
Later, a KCP(MC) cadre was gunned down by Imphal West commandos at Nongpok Sanjenbam, Imphal West yesterday.
Manipur Police launched another operation yesterday at Nongmaiching Hills, Imphal East, and shot dead a cadre of People's United Liberation Front.
All the bodies had been sent to the Regional Institute of Medical Sciences for identification and autopsy.
DGP Y Joykumar, meanwhile, said miscreants were trying to disturb the peaceful atmosphere during Diwali and Ningol Chakkouba festivals.
The Police Department had asked the people to avoid unnecessary crowding and not allow any unattended vehicles to be parked in front of their houses or shops.
They had also asked to inform the police in case any unattended vehicle, which appears to have been abandoned, was seen.
All the police stations had also been informed to maintain vigil considering the frequent bomb attacks.
Officials said Governor Gurbachan Jagat and Chief Minister O Ibobi Singh, meanwhile, discussed the situation with the senior police officials, who were holding meetings daily with the cicil officials to take stock of the situation.