The ascent of Jean-Luc Melenchon, who has made remarks deemed anti-Semitic, is raising the stakes for French Jews already fearful of a victory for the far-right front-runner, Marine Le Pen.
Hundreds on Twitter told the Jewish philosopher to "return to Israel" following the publication of a satirical article, claiming he vowed to leave France if the far-left presidential candidate Jean-Luc Melenchon wins.
