India, April 25 -- Three people were killed in separate incidents of firing between armed groups of rival tribes in Manipur's Ukhrul district, police said on Friday. According to police, the first incident took place in the early hours of Friday in Sinakeithei, a Tangkhul Naga village in Ukhrul, where one person was killed by suspected Kuki armed militants. Hours later, two armed Kuki community members were killed in retaliatory firing in Mullam, a Kuki village, police said. "Since early morning, the state police have been unable to reach the spot, but three armed individuals died during the gunfights. Border Security Force (BSF) troops reached Mullam village and recovered the bodies of the Kuki members," a police officer said on anonymity....