"There was smoke and dust all around, and dead and wounded people were lying on the ground," he said.
The suicide bomber was on foot, said another police officer, Imtiaz Khan.
Mian Iftikhar Hussain, the Khyber Pakhtunkhwa information minister and a member of the Awami National Party, said both he and Bilour had repeatedly received threats from militants. He condemned the attack and said the government needed to intensify its battle against the Taliban.
"Terrorism has engulfed our whole society," said Hussain. "They are targeting our bases, our mosques, our bazars, public meetings and our security checkpoints."
Ten Taliban militants attacked the military area of an international airport in Peshawar with rockets and car bombs a week ago, killing four people and wounding over 40 others. Five of the militants were killed during the attack, and five others died the next day in a gunbattle with security forces.
Also Saturday, police said a mob in southern Pakistan stormed a police station to seize a mentally unstable Muslim man accused of burning a copy of Islam's holy book. The crowd beat him to death, and then set fire to his body.
The case is likely to raise further concerns about the country's harsh blasphemy laws, which can result in a death sentence or life in prison to anyone found guilty. An accusation or investigation alone can lead to deaths, as people take the law into their own hands and kill those accused of violating it. Police stations and even courts have been attacked by mobs.
Police arrested the man on Friday after being informed by residents that he had burned a Koran inside a mosque where he had been staying for a night, said local police official Biharud Deen.
An angry mob of more than 200 people then broke into the police station in the southern town of Dadu and took the accused man, who they say was under questioning. Deen said police tried their best to save the man's life but were unable to stop the furious crowd.
Police have arrested 30 people for suspected involvement in the attack, said Deen. The head of the local police station and seven officers had been suspended, he said.
Past attempts by governments in predominantly Muslim Pakistan to review these laws have met with violent opposition from hardline Islamist parties.
In southwestern Pakistan, gunmen late Friday killed 11 Pakistanis and Afghans who were trying to cross into neighbouring Iran to travel on to Europe as illegal immigrants, said local government official Zubair Ahmed. The shooting took place in Sunsar town in Baluchistan province, he said.
It was not immediately clear who was behind the attack, but hundreds of Pakistanis and Afghans are captured by Iranian border guards every year for illegally trying to travel to Europe to find better jobs.
-AP
