The former prime minister Manuel Valls is the first high-profile defection since Macron's election win on Sunday.
The FLN lost considerable ground in the election, winning just 164 seats compared to 221 five years ago.
Democratic Party members re-elect Matteo Renzi as their leader, as the former PM mounts a political comeback
East and West have clashed over the result, with Moscow backing the former prime minister and the EU and the USA supporting the social-democrats.
Former Prime Minister Boiko Borisov makes a comeback over the Socialists in Bulgaria's parliamentary vote, exit polls suggest.
Bulgaria's snap parliamentary election seems likely to result in a fragile coalition and could threaten relations with its EU partners.
Snap parliamentary elections are underway in Bulgaria in what is expected to be a closely-fought contest.
Bulgaria heads to the ballot box this Sunday for snap parliamentary elections which are predicted to go down to the wire.
As the parliamentary elections in Germany creep closer, the traditionally left-leaning Green Party has announced two centrists will lead them to the vote.
Romanians re-elected the Social Democrats (PSD) to power on Sunday (December 11), just over a year since the party’s corruption-tainted former leader Victor Ponta stepped down after the deadly Buchare
There has been a surprise result in Lithuania’s general election with political newcomers the Peasant and Green Union claiming victory.
The ruling Social-Democrats are fighting for survival after the election campaign was dominated by scandals and pledges to raising living standards.
Early exit polls put the party of prime minister Georgy Kvirikashvili ahead with around 50% of the vote.
Morocco’s moderate Islamists have won parliamentary elections.
Polls suggest the ruling Georgian Dream Party is on track to win, but there is also strong support for the opposition United National Movement. Both want to join the EU and NATO, however, the ruling p
Voter apathy in Jordan could be an opportunity for the country's re-branded Islamists to make gains
Russia goes to the polls on Sunday to elect the Duma, the lower house of the federal parliament.
Serguei Doubine interviews Denis Volkov from the Levada-Center, a Russian independent, non-governmental polling and sociological research organisation, about the upcoming election.
Croatia's conservative Democratic Union party (HDZ) unexpectedly wins the country's snap election, but has insufficient seats to form a government.
Opposition groups win parliamentary seats for first time since 1996 as MPs loyal to President Alexander Lukashenko retained power.