Four people were killed and three others were injured when a boom truck plunged into a 10-meter-deep ravine in Nagtipunan, Quirino.

The tragic accident occurred when the truck’s brakes malfunctioned as it was navigating downhill at a curved portion of the road.

Based on police investigation, the vehicle lost control and fell into a ravine, resulting in the death of four individuals.

Three other passengers sustained injuries and were transported to a hospital nearby for treatment.