Le Pen not an option as French far-left polls members on election round two

A voter holds ballots for candidates for French 2017 presidential election : Marine Le Pen, French National Front (FN) political party leader, and Emmanuel Macron, head of the political movement En Marche !, or Onwards !, before voting in the first round of 2017 French presidential election at a polling station in Tulle, central France, April 23, 2017. Picture taken April 23, 2017. REUTERS/Regis Duvignau

PARIS (Reuters) - Jean-Luc Melenchon, the far left candidate who came fourth in the first round of France's presidential election with nearly 20 percent of the vote, is polling core supporters on whether they will back centrist Emmanuel Macron in the second round.

Melenchon's 'France unbowed' political movement said in a statement that none of it members would vote for far-right leader Marine Le Pen on May 7.