TARN TARAN, April 19 -- Anti-Gangster Task Force (AGTF), in a joint operation with Tarn Taran police, arrested two key associates of terrorist Lakhbir Singh alias Landa Harike and gangster Satnam Singh alias Satta Naushehra gang after a brief exchange of fire near Jawanda village in Tarn Taran, said director general of police (DGP) Gaurav Yadav here on Friday....