COTABATO CITY --- Unidentified gunmen ambushed and killed on Tuesday an off-duty police officer while he was driving along the national highway in Kabacan, Cotabato. Colonel Harold Ramos, Cotabato provincial police director, identified the officer as Staff Sargeant Abejay Dandan, a member of the police's provincial drug enforcement unit, who resides in Carmen, Cotabato. Dandan, 35, was driving his black Toyota Innova when ambushed at 8:05 p.m. on April 11 in Barangay Katidtuan. The suspects, who were on board an SUV and who used assault rifles in killing Dandan, immediately sped away after the attack. Dandan's son and a house help who were with him, were left unharmed. ...Keep on reading: Off-duty cop slain in Cotabato ambush