PARIS—Anti-immigrant leader Marine Le Pen is engaged in a high-stakes game of chicken with the French government and a multitude of global investors who finance the country’s sizable debt load.For weeks,

Marine Le Pen’s party will bring down the French government over its “budget of punishment” unless there is a “last-minute miracle”.Jordan Bardella, the president of National Rally (RN), said the party would trigger a no-confidence vote without concessions from prime minister Michel Barnier by 2pm on Monday.

The figurehead of the extreme-right National Rally said her party would join a leftist coalition to bring down Prime Minister Michel Barnier's government over budget plans.