A passenger bus slid off a mountain road and fell into a deep ravine in heavy rain in southwest Pakistan, killing 19 people and injuring 12 others, a government official said, Report informs.

The bus, which was carrying more than 30 passengers, was traveling from Islamabad to Quetta.

Mahtab Shah, an assistant administrator for the district of Shirani in Baluchistan province, said rescue teams rushed to the scene soon after receiving information, adding that the bodies had been taken to the hospital, where the process of identifying them was underway.