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Russian President Vladimir Putin receives military honours during the welcoming ceremony at Planalto Palace in Brasilia on July 14, 2014. Putin is in Brazil to attend the BRICS summit. AFP PHOTO/EVARISTO SA        (Photo credit should read EVARISTO SA/AFP/Getty Images)
Russian President Vladimir Putin receives military honours during the welcoming ceremony at Planalto Palace in Brasilia on July 14, 2014. Putin is in Brazil to attend the BRICS summit. AFP PHOTO/EVARISTO SA        (Photo credit should read EVARISTO SA/AFP/Getty Images)

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In a new video posted online, ISIS appears to claim responsibility for the Russian MetroJet that crashed in Egypt. CNN's Elise Labott reports on the latest.

ISIS sends message to Putin

In a new video posted online, ISIS appears to claim responsibility for the Russian MetroJet that crashed in Egypt. CNN's Elise Labott reports on the latest.