By ARTHA KIRA PAREDES BANGUED, Abra.—Police were busy on the eve of elections in Lagangilang in Abra, with tensions heightening as election day drew near. Around 9 p.m. on May 9, a certain Marlon Castro, a 42-year-old resident of Pacac, Dolores was arrested for illegal possession of a caliber .45 pistol and an M-16 rifle. He