Left parties including the Socialist Party and France Unbowed have formed alliances in Lyon, Nantes, and Toulouse for the municipal runoffs.Conservative candidates such as Jean-Michel Aulas criticized these technical mergers intended to block right-wing victories in major cities.Incumbent mayors in Marseille and Paris are proceeding to the second round without formal coalitions despite gains by the National Rally.These local strategies emerge as the political right gains ground in the Nantes suburbs while the far-right advances in the south.