President Emmanuel Macron's party is set to trounce France's traditional main parties in a parliamentary election and secure a huge majority to push through his pro-business reforms, projections after the first round showed.
The vote delivered a further blow to the socialist and conservative parties that had alternated in power for decades until Mr Macron's election in May.
With 90% of voters accounted for, Mr Macron's Republic on the Move (LREM) and Modem allies had won 31.9% support, Interior Ministry results showed.
The conservative party The Republicans and allied centre-right Union of Democrats and Independents held 18.9%, the National Front 13.8% and the Socialists 7.45%.
Pollsters project Mr Macron's alliance could win as many as three quarters of the seats in the lower house after next week's second round of voting.
That would give France's youngest leader since Napoleon a powerful mandate to make good on campaign pledges to revive France's fortunes by cleaning up politics and easing regulations that investors say hobble the eurozone's second-biggest economy.
"France is back," Prime Minister Edouard Philippe said on French TV. "Next Sunday, the National Assembly will embody the new face of our republic."
Voter turnout was at a record low for parliamentary elections, however, taking the shine off Mr Macron's margin of victory in the first round.
Both the Socialists and the conservative Republicans urged more voters to cast their ballots in the 18 June second round, warning them against allowing too much power to be concentrated in the hands of one party.
German Chancellor Angela Merkel congratulated Mr Macron on the victory of his party, calling the result a strong vote for reforms.
