At least nine pilgrims were burnt to death while 19 others were injured as a gas cylinder in the bus exploded at the national highway.
According to the details, the incident occurred when the pilgrims were on their way back to Punjab from Sehwan where they celebrated Hazrat Lal Shahbaz Qalandar Urs.
The bus caught fire as it collided with a car and its gas cylinder exploded.
As result, nine persons were killed while 19 others were injured.
After the incident, rescue teams reached at the scene and shifted bodies and injured to hospital.
The investigations into the incident have been started.
