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Pakistani police say a suicide bomber in a rickshaw has killed three people in Peshawar, a day after another suicide bomber killed 13 people in a crowded market outside the northwestern city.
Police say the suicide bomber detonated his explosives Monday at a checkpoint on a frequently traveled road that runs around Peshawar. Officials say a constable was among the dead. The blast wounded five other people.
The earlier bombing on Sunday killed a local mayor, Abdul Malik. He was once a Taliban supporter, but switched sides and mobilized villagers to form a tribal militia against militants. The Taliban claimed responsibility for the attack.
Also Sunday, police in Islamabad killed a suicide bomber as he ran toward a checkpoint in the capital.
In other violence, the Pakistani army said Sunday it killed 20 insurgents during the latest stage of its South Waziristan offensive against the Taliban.
Since the army launched the anti-Taliban campaign in South Waziristan on October 17, it says military forces have killed more than 480 militants. At least 44 soldiers also are said to have died in the operation.
The reports of battlefield losses cannot be independently verified because journalists and rights groups are barred from the tribal areas near the border with Afghanistan.
U.N. officials say around 200,000 people have fled South Waziristan, but many others remain trapped in the conflict zone.
Some information for this report was provided by AFP, AP and Reuters.