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Emergency personnel work at the scene of a train crash involving a garbage truck in Crozet, Va., on Wednesday, Jan. 31, 2018. An Amtrak passenger train carrying dozens of GOP lawmakers to a Republican retreat in West Virginia struck a garbage truck south of Charlottesville, Va. No lawmakers were believed injured, but it at least one person in the truck was said to be seriously injured.  (Zack Wajsgrasu/The Daily Progress via AP)
Emergency personnel work at the scene of a train crash involving a garbage truck in Crozet, Va., on Wednesday, Jan. 31, 2018. An Amtrak passenger train carrying dozens of GOP lawmakers to a Republican retreat in West Virginia struck a garbage truck south of Charlottesville, Va. No lawmakers were believed injured, but it at least one person in the truck was said to be seriously injured.  (Zack Wajsgrasu/The Daily Progress via AP)

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    Evening news briefing from CNN

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Evening news briefing from CNN

Evening news briefing from CNN on Wednesday, January 31.

Evening news briefing from CNN

Evening news briefing from CNN on Wednesday, January 31.