
A suicide car bomb exploded outside a police investigation bureau killing at least 11 people in the northwestern city of Peshawar Friday.
Pakistani police says the attacker drove a vehicle filled with explosives toward the police station blowing everyone up and sustaining damages to nearby vehicles and a mosque.
This is part of the almost-daily offensive by Taliban militants pledging to hit government targets ahead of an expected army offensive in South Waziristan. According to officials most terrorist attacks in Pakistan are planned there.
In the past two weeks the Taliban has killed more than 150 people bringing the frontline from the violent northwest to the Punjab province.
Pakistani Interior Minister Rehman Malik calls the escalation of violence a "guerrilla war."
Security has been tightened nationwide after about 40 people were killed in Lahore and the north-west on Thursday.
Despite the military offensive, militants have continued to strike with relative impunity inside Pakistan, a raising concern about the ability of the government's security forces to maintain control.
Nuclear-armed Pakistan is under US pressure to flush out militants as President Barack Obama considers sending more troops to neighboring Afghanistan.
White House Deputy Press Secretary Bill Burton said Thursday, the attacks show "once again that the militants in Pakistan threaten both Pakistan and the United States."
On Thursday, U.S. President Barack Obama signed legislation providing an additional $7.5 billion in assistance to Pakistan over the next five years.
The Obama administration continues to finalize a comprehensive review of U.S. strategy in both Pakistan and neighboring Afghanistan.