Hospital staff and relatives transport an injured female polio worker at a local hospital in Peshawar, Pakistan, Tuesday, May 28, 2013. Police say gunmen in Pakistan have shot dead a female polio ... more 
Hospital staff and relatives transport an injured female polio worker at a local hospital in Peshawar, Pakistan, Tuesday, May 28, 2013. Police say gunmen in Pakistan have shot dead a female polio worker and wounded another in the northwest, police said. (AP Photo/Mohammad Sajjad) less 
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Associated Press | Photo By Mohammad Sajjad
Tue, May 28, 2013 5:40 AM EDT