Pakistani policemen inspect a burnt bus after an explosion on a highway on the outskirts of Islamabad, Pakistan, Tuesday, July 12, 2011. Pakistani police say a blast on a bus has killed at least 10 ... more 
Pakistani policemen inspect a burnt bus after an explosion on a highway on the outskirts of Islamabad, Pakistan, Tuesday, July 12, 2011. Pakistani police say a blast on a bus has killed at least 10 people on a highway in the country's capital. Tahir Alam the operations police chief in Islamabad says the blast on Tuesday was believed to have been caused by a faulty gas cylinder that exploded. (AP Photo/Muhammed Muheisen) less 
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Associated Press | Photo By Muhammed Muheisen
Tue, Jul 12, 2011 8:00 AM EDT