Sunday's first round of voting will narrow the field of presidential candidates from 12 to just two. © Benoît Tessier, Reuters

Polls opened in the first round of France's presidential election on Sunday with far-right candidate Marine Le Pen posing an unexpected threat to President Emmanuel Macron's re-election hopes.

Iran PressEurope: French voters head to the polls for the first round of presidential elections as eleven challengers – from a Communist on the left to anti-immigration candidates on the far right – are looking to unseat French President Emmanuel Macron as he seeks to become the first incumbent to win re-election since Jacques Chirac in 2002. 

The two candidates who garner the most votes will qualify for the election's second and final round on April 24, France 24 reported.

Purchasing power and the war in Ukraine have topped voter concerns in the final stretch of an unusually subdued campaign, which has largely been overshadowed by the outbreak of war. Some 48.7 million people are registered to vote, though surveys have warned that as many as one in four may abstain from voting. 

First exit polls are expected at 8 pm Paris time (GMT+2) when the last polling stations close in Paris and other cities. Such polls are usually very reliable in France. Until then, French media are barred from quoting candidates or publishing polls to ensure they don't unduly influence voters.

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