The latest clashes began after the army and para-military forces commenced combing operations to de-arm communities in order to bring peace, officials said.
One of the bombs went off at 5:30 am in M sector in the heart of the town where the Army office was located, while the other exploded in Bishenpur at around the same time, official sources said.
Official sources said Assam Rifles personnel acting on a tip off raided Sora area in Thoubal and gunned down the militants.
Six persons, including an army personnel, were killed and four others injured in separate violence in militancy-hit Manipur, official sources said on Tuesday.
An army officer was killed and a jawan injured in an encounter with militants while five persons were wounded in a grenade explosion in Manipur, the police said on Thursday.
The victims, hailing from Assam and Tripura, were dragged out of their rented house at Ningthoukhong area, about 35 km south of Imphal late on Thursday night and gunned down at point blank range by the militants.
A total of 181 stations have been described as hypersensitive and 646 as sensitive
Police said three unidentified gunmen asked Kamang Kom, who was the chief of Samu Lamlan village, to guide them to Nenglong Tampak village, about 60 km from Imphal.
Insurgents struck on New Year's eve, killing the top man in the state's intelligence set-up
As the security forces surrounded Thanga area, 40 km from Imphal and stepped up combing operations, insurgents hiding in a small hillock opened fire.
Sources said the insurgents, hiding in the thick hilly jungles, sprayed bullets from automatic weapons when the security men were near Joujangtek, about 35 km south of Imphalthe personnel
Security forces have also been deployed at various places in view of the agitation launched yesterday by 32 organisations spearheading the month-long stir to press for lifting the Armed Forces Special Powers Act
Curfew was relaxed for 13 hours from 4 am today in Imphal and Greater Imphal areas of Imphal East, Imphal West and parts of Thoubal and Bishenpur districts
People are protesting against the killing of 30-year-old Th Manorama Devi, allegedly by Assam Rifles personnel.
Two militants were on Tuesday killed in an encounter with police personnel in Bishenpur district and another militant of ZUF arrested in Tamenglong district of Manipur.
While incessant rain in the past 24 hours has wreaked havoc in parts of the northeast, triggering flash floods, the national capital experienced one of its hottest days.
At these 'relief camps' people had nothing to sleep on except for a piece of cloth and men and women, boys and girls all cramped together. Factor in the fact that Kakching in the 2011 census had a population of 28,746 people and that about 90 per cent of that population has been affected by the floods now, and one can work the math of the crisis at hand.