CAMP OLIVAS, Pampanga: Central Luzon Philippine Drug Enforcement Agency (PDEA 3) operatives seized some P500,000 worth of shabu and arrested four suspected drug dealers in an anti-illegal drug operation in the city of San Fernando here. Regional Dir. Gladys Rosales identified the suspects as Federico Pangilinan of Porac, Pampanga; Ricardo Gomez of Angeles City; Ermin Liwanag of Arayat, Pampanga; and Wilson Bognot of Angeles City. The agents negotiated to purchase 100 grams of shabu for P280,000 and agreed to meet at the parking lot of Robinsons Mall in San Fernando at 8 p.m. on Sunday. The suspects were arrested when they handed a plastic bag containing shabu to a poseur buyer, and later yielded more of the substance, bringing the total amount seized to P500, 000.