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Debris belonging to the A321 Russian airliner are seen at the site of the crash on November 1.
Debris belonging to the A321 Russian airliner are seen at the site of the crash on November 1.

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    Mystery deepens into cause of Russian plane crash

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Mystery deepens into cause of Russian plane crash

Could the crash of a Russian passenger jet been caused by a "an external influence?" CNN's Arwa Damon has more.

Mystery deepens into cause of Russian plane crash

Could the crash of a Russian passenger jet been caused by a "an external influence?" CNN's Arwa Damon has more.