• A sixth person has died as a result of the Amtrak train crash in Philadelphia, a doctor at Temple University Hospital said Wednesday morning.
• Eight passengers remain in critical condition at Temple.
• Many passengers were injured when other passengers and objects flew into them, a hospital official said.
As day broke in Philadelphia on Wednesday morning, rescue workers were still searching inside the mangled wreckage of an Amtrak train that derailed the night before, killing at least six people and sending another 146 to various hospitals.
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