IMPHAL, Oct. 22 -- Tension erupted in Kangpokpi district of Manipur after the killing of a 45-year-old Kuki man on Tuesday, officials aware of the development said, with the Kuki authorities accusing the Naga militants groups for the attack. In a separate incident, around six houses belonging to the Kuki community were set ablaze in Ukhrul district, officials said. According to residents of the Leimakhong area in Kangpokpi, unidentified armed miscreants allegedly opened fire at the two villagers who went to collect sprouted bamboo shoots from the nearby hill. One of them was killed on the spot, while the other narrowly escaped and returned home. The deceased has been identified as Paolen Khongsai, a resident of P Molding Leimakhong in Kangpokpi district. The village authority accused Naga militant groups National Socialist Council of Nagaland-Issac Muivah (NSCN-IM) faction and Zeliangrong United Front (Kamson) faction for the killing. Further investigation into the incident is underway, police said. Meanwhile, Ukhrul district police confirmed the burning of six mud houses at Patleijang, a Kuki-inhabited Hamlet under Chepu Yaolen village. According to police, the incident took place at around 1.15 am on Tuesday. No casualties have been reported during the incident. "The identity and number of perpetrators and the circumstances leading to the incident could not be ascertained. The motive behind the commission of the crime also remains unknown," the police said in a statement....