Latest: Vladimir Putin thanks supporters at election victory rally

Latest: Vladimir Putin looks set to be Russia's president for another six years as an exit poll and early returns suggest he has easily won a fourth term.

Update 10.30pm: Vladimir Putin has won a fourth term as Russia's president, adding six years in the Kremlin for the man who has led the world's largest country for all of the 21st Century.

Mr Putin addressed thousands of people who rallied outside the Kremlin tonight to thank them for their support and promised new achievements.