French voters are casting their ballots in the opening round of a presidential race that could become a cliffhanger.
Emmanuel Macron has a fight on his hands from far-right challenger Marine Le Pen, who has been galvanised by a slick election campaign.
Forty-nine million people are eligible to decide which two of 12 candidates should take part in the run-off vote.
But after four hours of voting, only a quarter of voters had turned out – the lowest for 20 years.
