Manila, Oct. 23 -- Acting Philippine National Police (PNP) chief Lt. Gen. Jose Melencio Nartatez Jr. on Thursday ordered intensified operations against illegal and unauthorized fireworks manufacturing facilities after an explosion at a factory in Norzagaray, Bulacan killed two people.

He said this is to ensure the strict enforcement of safety regulations and eliminate illegal operations that endanger lives and property.

Nartatez said the investigation into the explosion is ongoing as the PNP works closely with the Bureau of Fire Protection, other relevant government agencies, and the local government of Bulacan to review the factory's compliance with safety and permit requirements.

"Our local police units, in coordination with the BFP,...