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Russian President Vladimir Putin attends a meeting with Jordanian King Abdullah II (not pictured) at the Bocharov Ruchei state residence in Sochi on November 24, 2015. President Vladimir Putin on November 24 insisted that a Russian warplane shot down by a Turkish jet was flying over Syrian territory and did not pose any threat to Turkey. AFP PHOTO / POOL / MAXIM SHIPENKOVMAXIM SHIPENKOV/AFP/Getty Images
Russian President Vladimir Putin attends a meeting with Jordanian King Abdullah II (not pictured) at the Bocharov Ruchei state residence in Sochi on November 24, 2015. President Vladimir Putin on November 24 insisted that a Russian warplane shot down by a Turkish jet was flying over Syrian territory and did not pose any threat to Turkey. AFP PHOTO / POOL / MAXIM SHIPENKOVMAXIM SHIPENKOV/AFP/Getty Images

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    Putin warns Turkey of 'serious consequences'

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Putin warns Turkey of 'serious consequences'

Concern is growing over how Vladimir Putin might respond to Turkey's downing of a Russian plane. CNN's Brian Todd reports.

Putin warns Turkey of 'serious consequences'

Concern is growing over how Vladimir Putin might respond to Turkey's downing of a Russian plane. CNN's Brian Todd reports.