SAN FERNANDO CITY, Pampanga: An anti-drug operation by government agents last Monday led to the arrest of 18 persons in Olongapo City. Director Jeoffrey Tacio, head of the Philippine Drug Enforcement Agency (PDEA) in Central Luzon, identified three of the suspects as Daniel Gregorio alias “Baliw,” 22; Erwin Diva, 34; and Richard Formento, 33; all residents of Barangay Santa Rita, Olongapo City. The three were arrested with 15 others in three houses in a compound in a squatters’ area. The operation was conducted by agents of the PDEA, Central Luzon police and the 300th Air Force Intelligence and Security Group. Confiscated during the raid were several plastic sachets of shabu, a kilo of marijuana leaves and assorted drug paraphernalia.