ARAKAN, North Cotabato– Three soldiers were killed and another wounded when an improvised explosive device (IED) went off in a remote village here, around 425 p.m., Wednesday. Chief Inspector Bernard Tayong, spokesperson for the Cotabato Provincial Police Office, identified the slain soldiers as Private First Class Callano, Quilangit, and Manampan, and the wounded as Corporal Blancia, all members of the 57thInfantry Battalion. Tayong said the soldiers, led by a certain Lt.