Manila - Twelve factory workers were killed and five injured when a boiler at a Styrofoam packaging plant exploded in the Philippines, police said Wednesday.
The explosion occurred Tuesday evening as night shift employees worked at the factory in Santa Maria town in Bulacan province, just north of Manila.
The town's police chief, Superintendent Marcos Rivero, said five workers died on the spot while others were trapped under concrete and steel debris as the blast destroyed the factory.