Russians began voting in a presidential election on Sunday, and Vladimir Putin has said he will seek another term as president in next year's election.
Mr Putin has been in power since 2000, either as president or prime minister. If he wins the March election he will be eligible to serve until 2024.
Russian TV journalist Ksenia Sobchak has already said she will stand in the election but opinion polls suggest Mr Putin will win easily.
Russia's main opposition leader, Alexei Navalny, has been formally barred from standing because he was found guilty of embezzlement - a charge he claims was politically motivated.
Putin presidency :
◦Easily wins presidential election in March 2000
◦Wins a second term in 2004
◦Is barred from running for a third successive term by the Russian constitution, but instead becomes prime minister
◦Wins a third presidential term in 2012
◦Takes part in 2018 Russia presidential election, and ...
- @Dovy