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A fatality is rolled away as emergency responders works the scene of bush crash on the George Bush Turnpike Thursday, April 11, 2013, in Irving, Texas. The chartered bus overturned on the busy highway near Dallas on killing at least two people and injuring several others, authorities said. (AP Photo/LM Otero)

A fatality is rolled away as emergency responders works the scene of bush crash on the George Bush Turnpike Thursday, April 11, 2013, in Irving, Texas. The chartered bus overturned on the busy highway near Dallas on killing at least two people and injuring several others, authorities said. (AP Photo/LM Otero)

Deadly Texas bus crash

A chartered bus overturned on a busy highway near Dallas April 11, killing at least two people and injuring several others, authorities said.