The bomb went off at a crowded market in the in the northwestern Pakistani city of Peshawar, BBC News reports.
While no group has claimed responsibility for the bombing, the Taliban have executed many similar attacks in recent months. Similar attacks happened Sunday and Saturday.
In recent weeks, the Pakistan military has mounted an aggressive offensive against the Taliban in the North-West Frontier province region near the Afghan border.
Pakistani bomb attacks blamed on al-Qaida and Taliban militants have killed more than 3,200 people in less than three years, the BBC says.
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