A bomb has detonated on a police vehicle in the capital of the Balchoistan province.
Security officials have warned the number of fatalaities would increase.
Geo TV put the death toll at 18, while rival Samaa TV put it at 20, adding a “suicide attacker” was responsible.
The first images show bloodstains on the ground next to a motorcycle.
The police vehicle that was hit is severel damaged.
This is a breaking story. More to follow.