By Allysa Nievera
Fire gutted a cardboard box factory in Barangay Maysan Valenzuela City Friday morning.
The Bureau of Fire Protection (BFP) said the fire started at around 5 a.m. and reached the fourth alarm.
According to the employees of the factory, they heard an explosion before the fire started to spread in the area.
As of this writing, no one has been reported injured.
Probers are now looking into the cause of the fire.