Four unidentified armed members of the “Espinosa drug group” were killed, while two others were arrested in a buy-bust by San Jose Del Monte City Police in Towerville Subdivision, Barangay Minuyan Proper in Bulacan on Wednesday. Bystander Mischelle Seleic was wounded in the leg from a stray bullet. Chief Supt. Aaron Aquino, regional director, identified the arrested suspects as Mark Anthony Lacxa, 22, of Quezon City and Rene Lloyd Sacdalan, 26, of Caloocan City. Recovered from the crime scene were three caliber 38 revolver, caliber 45 pistol, an improvised handgun, six sachets of shabu and assorted drugs paraphernalia.