A relative of a Pakistani man who lost his life in Friday's crash of a Boeing 737 passenger plane, is comforted by another relative, while waiting outside a hospital in Islamabad, Pakistan, Saturday, ... more 
A relative of a Pakistani man who lost his life in Friday's crash of a Boeing 737 passenger plane, is comforted by another relative, while waiting outside a hospital in Islamabad, Pakistan, Saturday, April 21, 2012. Pakistan blocked the head of an airline whose jet crashed near the capital from leaving the country as it began an investigation Saturday into the country's second major air disaster in less then two years. (AP Photo/Muhammed Muheisen) less 
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Associated Press | Photo By Muhammed Muheisen
Sat, Apr 21, 2012 5:25 AM EDT