The fourth brutal militant attack in just over a week has killed at least 41 people in Pakistan. The Taliban has pledged to mobilize fighters across the country for more strikes.
A Pakistani official says at least 41 people have been killed in the explosion in a northwest district next to the troubled Swat Valley.
A senior police official says dozens more people have been wounded in the blast today at a district market.
Police say it may have been a car bombing.
The explosion is the latest in a string of attacks in the country, signaling the Taliban are still strong.
Swat has been the focus of an intense military offensive against the Taliban. The army says it has largely cleared the valley of the insurgents, though some were on the run.
Many of the Taliban are believed to have melted into the rural areas or gone to neighboring districts.
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