SHARIFF AGUAK, Maguidanao — Two young soldiers, with a rank ofprivate first class, werekilled Monday in another daring attack by suspected members of the outlawed Bangsamoro Islamic Freedom Fighters (BIFF), the Army here said today.Captain Jo-Ann Petinglay, spokesperson of the 6th Army Division said, the incident took place while the victims were heading to Meta Elementary School in Datu Unsay, Maguindanao at past 3 p.m.The slain soldiers were part of the Army engineers working on the rehabilitation of the school damaged by armed conflict in February.Petinglay said initial reports showed th