In pictures: Serbia votes

Exit polls say low voter turnout - less than required 50% - has again made the repeat presidential elections in Serbia invalid, threatening more political infighting.

Yugoslav President Vojislav Kostunica came to vote confident of his victory

...as opinion polls dismissed his two nationalist contenders as outsiders

Votes trickled in steadily but half-way through, turnout was even lower than in October's failed poll

Observers blamed the failure on continued voter apathy and harsh weather conditions

...so Mr Kostunica may soon be jobless, as his post due to vanish when the Yugoslav federation is disbanded