France, March 17 -- The front pages of the French dailies look like a war zone on Friday morning, with images from motorway blockades, demonstrations, piles of blazing rubbish. On the political front, several opposition groups have promised to bring down the government.

Jean-Luc Melenchon is smiling on the front page of right-wing Le Figaro.

The hard-left leader of the France Unbowed party, a determined opponent of President Emmanuel Macron, says his party will support an effort by centrist MPs to bring down the government in the wake of Thursday's imposition of controversial pension reforms.

There are no smiles in Le Monde. The centrist paper features a lead photo of flare-wielding trade union protestors blocking the Paris peripheral ...