Hear 911 calls from 777 plane crash

In this handout photo provided by the National Transportation Safety Board, NTSB investigators examine the wreckage of Asiana Airlines flight 214 following yesterday's crash, on July 7, 2013 in San Francisco, California.

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    Hear 911 calls from 777 plane crash

Passengers and onlookers called 911 after the Asiana Airlines Boeing 777 crashed in San Francisco. Dan Simon reports.