Momentum was building on Monday behind attempts by French left-wing parties to form a united front against President Emmanuel Macron in next month's parliamentary elections, after radical Jean-Luc Mélenchon clinched a deal with the Greens.
Macron was re-elected for a second term last month, but he needs support from a majority of lawmakers to push through a pro-business and pro-EU legislative agenda that also includes a plan to increase the retirement age.
