Australian – Russian Prime Minister Vladimir Putin has decided to run for the presidency next year, raising the possibility of a power struggle with his protege Dmitry Medvedev, the incumbent Kremlin leader, say highly placed sources.

The once-close relationship between Mr Putin, the tough-talking former KGB officer who has inspired a personality cult, and Mr Medvedev, a softly spoken Twitter enthusiast, has become increasingly fractious amid speculation in Moscow that the younger man wishes to stand again.

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