Two terrorists were killed in an encounter with security forces in Kulgam district of Jammu and Kashmir on Sunday, police said. The terrorists fired upon a patrolling party of the security forces in Devsar area of the south Kashmir district on Sunday evening, a police official said. He said the security forces retaliated and in the ensuing gunfight, two terrorists were killed. The identity and group affiliation of the slain terrorists were being ascertained, the official said. He said two more terrorists were suspected to be trapped in the area and an operation was on to capture them.