Islamabad: Two bombs exploded at an anti-terrorism office in northwest Pakistan on Monday, police said. At least 12 people were killed in these blasts. News agency Reuters gave this information in its report.
Provincial police chief Akhtar Hayat said it was not yet clear what triggered the blast in the northwestern Swat Valley.
Akhtar Hayat said there was an old ammunition store in the anti-terrorism office. Police are investigating whether it was an explosion or a militant attack.
The police chief said most of those killed were policemen.