QUETTA: At least ten people including children have been killed in a powerful explosion that took place in a passenger bus in Mastung here on Tuesday evening, Aaj news reported.

According to sources, the bus was on its way to Quetta carrying several pilgrims from Iran. The blast took place in the area of Dareen Garh, Mastung.

Soon after the incident, police cordoned off the area while rescue teams arrived at the site of incident and shifting victims to the hospitals in Quetta.

The nature of the blast is yet to be ascertained while tension prevails in the area.

More updates to follow.