Pakistan

Associated Press
In this Tuesday, May 15, 2012, photo, Afghan refugee boy, Doost Hamid, 7, bottom center, bathes at a water point in a slum area on the outskirts of Islamabad, Pakistan.  Hundreds of thousands of Afghan refugees are in limbo as Pakistan, increasingly frustrated with hosting the world's largest and longest-running refugee population, weighs whether to renew their refugee status by the end of this year. A large-scale return of the 1.7 million Afghan refugees currently living in Pakistan would be a massive problem for Afghanistan at a time when it's already struggling to maintain security in the face of an American troop withdrawal. But Pakistan increasingly seems to be angry at a refugee population that many feel has overstayed its welcome. (AP Photo/Muhammed Muheisen)

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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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