Pakistani officials and rescue workers gather at the site of the suicide bombing of a U.S. government vehicle in Peshawar, Pakistan, on Monday, Sept. 3, 2012. A (AP Photo/Mohammad Sajjad)

Photo by: Mohammad Sajjad

Pakistani officials and rescue workers gather at the site of the suicide bombing of a U.S. government vehicle in Peshawar, Pakistan, on Monday, Sept. 3, 2012. A (AP Photo/Mohammad Sajjad)