The French government “has put an end to discussions” on possible changes to the social security bill, Marine Le Pen told AFP on Sunday, paving the way for a possible no-confidence vote as soon as Wednesday.

Far-right leader holds prime minister’s future in her hands as eurozone’s second biggest economy hurtles toward political and financial uncertainty.

To survive the vote in the fractured lower house, Barnier needs Marine Le Pen's party to abstain, otherwise his government and the budget bill could fall, plunging France into a political crisis.