Belarus is voting in presidential elections, with the incumbent Alexander Lukashenko widely expected to win.
Under the authoritarian leader aiming to secure his fourth term, the former Soviet republic has never held a poll seen as fair by international monitors.
However, these elections so far have been much freer than in the past, correspondents say.
But the opposition still plans to hold protests against what they say will be a rigged vote.
Security forces have warned they will crack down on any attempts to stir tension during or after the voting.
Polling stations across Belarus opened at 0600 GMT and will close at 1800 GMT.
Nine challengers are competing with Mr Lukashenko for the presidency.
http://www.bbc.co.uk/news/world-europe-12029814