Three Lashkar-e-Taiba (LeT) terrorists were killed in an overnight encounter with security forces in Pulwama district of Jammu and Kashmir, police said Sunday. The encounter broke out Saturday in Drabgam area of the south Kashmir district and one terrorist was killed before the night fell, they said. A police official said a tight cordon was maintained during the night to stop the terrorists from fleeing, and when the firing resumed early Sunday morning two more terrorists were killed.