France could find itself heading for another snap parliamentary election, a government minister suggested on Tuesday, after opposition parties said they would vote to oust Prime Minister Francois Bayrou and as French markets tumbled.

Francois Bayrou jolted the political establishment out of its summer slumber Monday with his unexpected move to seek a September 8 confidence vote on his debt-cutting plan.

Inconceivable' for French Socialists to Back PM Bayrou in Confidence Vote, Faure Says PARIS (Reuters) -The head of the French Socialist Party Olivier Faure told French daily Le Monde on Monday that it was "inconceivable" that French Socialists back Prime Minister Francois Bayrou in a confidence vote.

France, a cornerstone economy in Europe, is rapidly becoming one of its weakest links as a political and debt crisis loom.

French stocks and bonds continued to fall on Tuesday as a collapse of the country's minority government looked increasingly likely.