This image taken from video provided by WJLA shows a bus after crashing along I-270 in Bethesda, Md., Wednesday, Sept. 29, 2010. Maryland State Police say the commuter bus plunged off a highway ... more 
This image taken from video provided by WJLA shows a bus after crashing along I-270 in Bethesda, Md., Wednesday, Sept. 29, 2010. Maryland State Police say the commuter bus plunged off a highway outside the nation's capital. less 
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Associated Press | Photo By WJLA
Wed, Sep 29, 2010 6:26 PM EDT