Three suspected drug pushers were killed while 31 suspects were arrested in police operations conducted in Bulacan since Tuesday. The police seized drugs, firearms and ammunition. Chief Supt. Aaron Aquino, Police Regional Office 3 officer-in-charge identified the slain suspects as alias “Ambo” and alias “Rod” of Barangay Tambubong in Bocaue town and alias “Dagul” of Barangay San Rafael in San Jose del Monte City, all in Bulacan. Senior Supt. Romeo Caramat Jr., acting police provincial director, said 15 buy-busts and “Oplan Sita” on Tuesday and Wednesday morning netted three short firearms, a hand grenade, 64 sachets of shabu, dried marijuana and drug paraphernalia.