Ahmad Zia Abdulzai, spokesman for Provincial Governor said that the incident took place after a bomb which was placed in a wall near the police headquarters, exploded leaving 1 killed and injuring two others civilians and two policemen.
Abdulzai added that the injured were soon transferred to hospital and their health conditions are reported to be stable.
According to Abdulzai, an investigation has been launched into the incident.
No group has claimed responsibility behind the attack so far.