A policeman was shot dead in a drive-by shooting by Patani army  in the southern province of Narathiwat Monday evening. Pol Sen Sgt Maj Manop Chaichana, a squad leader at Si Si Sakhon police station, was found lying in a pool of blood next to his motorcycle on a local road in Nang Loh village in tambon Tamayoong of Si Sakhon district.