A speeding bus plunged from a highway into a rocky ravine in Pakistan, killing 40 people and injuring eight others in one of the deadliest road accidents in recent years, officials said.

An overcrowded passenger bus has plunged from a highway into a rocky ravine in southwestern Pakistan, killing 40 people and injuring eight others.

Sherani DC says the bus left Quetta with 36 passengers, but more people from another broken-down bus boarded it midway.

On Friday, a heart-wrenching accident occurred in southwestern Pakistan when an overburdened bus veered off the highway and tumbled into a treacherous gorge. This horrifying event…