Russians win men's ice hockey gold -- then sing Russian national anthem

    By Danielle Rossingh, for CNN

    Updated 1053 GMT (1853 HKT) February 25, 2018

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    Fireworks explode behind the Olympic flame at the start of the closing ceremony.
    Photos: Winter Olympics: Sunday, February 25
    Fireworks explode behind the Olympic flame at the start of the closing ceremony.
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    Figure skaters Madison Chock and Evan Bates walk with Team USA during the closing ceremony.
    Photos: Winter Olympics: Sunday, February 25
    Figure skaters Madison Chock and Evan Bates walk with Team USA during the closing ceremony.
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    Performers carry the South Korean flag during the closing ceremony.
    Photos: Winter Olympics: Sunday, February 25
    Performers carry the South Korean fl