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In this Russian Emergency Situations Ministry photo, made available on Monday, Nov. 2, 2015, Russian Emergency Ministry experts work at the crash site of a Russian passenger plane bound for St. Petersburg in Russia that crashed in Hassana, Egypt's Sinai Peninsula, on Monday, Nov. 2, 2015. A Russian cargo plane on Monday brought the first bodies of Russian victims home to St. Petersburg, from Egypt.(Russian Ministry for Emergency Situations photo via AP)
In this Russian Emergency Situations Ministry photo, made available on Monday, Nov. 2, 2015, Russian Emergency Ministry experts work at the crash site of a Russian passenger plane bound for St. Petersburg in Russia that crashed in Hassana, Egypt's Sinai Peninsula, on Monday, Nov. 2, 2015. A Russian cargo plane on Monday brought the first bodies of Russian victims home to St. Petersburg, from Egypt.(Russian Ministry for Emergency Situations photo via AP)

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FBI offers to aid Russian plane crash investigation

Egyptian authorities insist it's too soon to tell if a terror attack brought down Metrojet Flight 9268. The FBI is offering assistance in the investigation. CNN's Ian Lee reports.

FBI offers to aid Russian plane crash investigation

Egyptian authorities insist it's too soon to tell if a terror attack brought down Metrojet Flight 9268. The FBI is offering assistance in the investigation. CNN's Ian Lee reports.