Reports said that earlier Khalid fired on Police naka party at Ladoora area of Baramulla district. Police party had laid a naka to catch a militant after the inputs of movement of militants.As soon as the militant reached the naka spot, he fired at the party. There was a brief exchange of fire, a police official said.He later escaped from the spot and entered into a local residential house, the official said. He later left the residential house and took refuge in a cowshed where he has been reportedly killed.Khalid, according to police sources, was a most wanted militant and was categorised as A++. Police said he was involved in a series of killings in northern part of Kashmir.