Militants storm district police chief office in Pak
Reporters at the site said they had heard at least six explosions and intermittent firing.
It could not immediately be ascertained whether there were any casualties or if the attackers had taken any hostages within the office.
The militants lobbed grenades and fired with automatic weapons as they barged into the office, TV news channels reported. At least one suicide bomber was believed to be among the attackers, the channels reported.
The district police chief`s office is located in a high- security zone that also has a court complex and lawyers? offices. Security forces cordoned off and evacuated the area.
No group claimed responsibility for the attack though such assaults are usually blamed on the Pakistani Taliban.