Guwahati :Police killed oneand captured four in an encounter with ULFA operatives in Lichchubari hillock, near Hengerabari, a residential area which is hardly one and a half kilometers away from Assam’s capital city Dispur on late Thursday evening. Police sources said that a team of police and special commando force reached the Lichuchbagan hillock at 11.00 PM as they had some specific information about the presence of a group of ULFA militants in the area. When they reached the top they noticed some people moving around suspiciously and asked them to stop. The group responded by throwing a grenade on the petrol and tried to run away. The grenade missed the target and exploded nearby. Police retaliated and one youth was injured. After a brief fight, the police managed to catch four of them. The injured was sent to GuwahatiMedicalCollegeHospital immediately where he was declared dead on arrival. Police also recovered one grenade, explosives, other materials and incriminating documents from the spot. It may be mentioned that on Wednesday ULFA militants had triggered a blast at Hengerabari chowk and injured 3 people. The day before yesterday militants triggered another blast in Ganeshguri, also a nearby place which had again injured 2 people. Meanwhile the four-day special summer session of Assam Assembly has ended this evening and it is believed that ULFA was trying to disrupt the session.