Eight people killed in US Air Force B-52 bomber crash: What we know
The aircraft, one of the US Air Force's longest-used bombers, goes down during a routine test mission.
www.aljazeera.comb-52 bomber tumbled to the ground shortly after liftoff during a standard test run at Edwards Air Force Base in southern California. The explosion occurred on impact, with major structural damage. Edwards AFB shut the base temporarily as responders worked the scene. Boeing said two of its staff were aboard the aircraft, and investigators said the cause was under study. Possible factors include controllability issues during the flight. Eight people aboard were killed. The incident is being studied by authorities as officials note assess flight data to determine the sequence of events.