Pakistan

Associated Press
A Pakistani health worker gives polio vaccine to a child at a neighborhood of Lahore, Pakistan, Monday, May 4, 2015.  Pakistan’s beleaguered battle to eradicate polio is threatening a global, multi-billion dollar campaign to wipe out the disease worldwide. (AP Photo/K.M. Chaudary)

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A Taliban suicide bomber detonated a vehicle packed with explosives Monday outside the home of a senior police officer tasked with cracking down on militants in Pakistan's largest city.

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