Voting intentions for far-left candidate Jean-Luc Melenchon and far-right candidate Marine Le Pen both gained two percentage points to 17% and 15%, respectively.
French left-wing party leader Jean-Luc Melenchon says he will run for the same seat as far-right rival Marine Le Pen in the forthcoming parliamentary polls.
Jean-Luc Melenchon, a leader of France's far-left party who is no fan of Cahuzac, said the budget minister should nonetheless keep his position for the time being.
From the centre these millions of voters migrated to Marine Le Pen whose share swelled to more than 18% (her father got 10.4% in 2007), and some to the socialists or Left Front candidate Jean-Luc Melenchon.