Dmitry Medvedev has been re-appointed as Russian prime minister after winning approval from parliament.
Medvedev has served as president over the past four years.
He took over at the Kremlin in 2008 following a job swap with Vladimir Putin.
The move was engineered to sidestep a constitutional limit of two consecutive terms as head of state.
Putin won a much-criticised presidential election in March.
Medvedev told the Duma: “I hope that we will finally concentrate on what is essential: the will to put our disagreements aside and work together.”
Medvedev’s appointment was approved by 299 votes to 144, a day after Putin started his third term as president.
After the ceremony, Putin laid a wreath at the Eternal Flame by the Tomb of the Unknown Soldier in Moscow to mark the defeat of Nazi Germany.
Russia celebrates Victory Day on Wednesday because it was May 9th Moscow Time when the German military surrender became effective.
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