At back-to-back rallies, rivals Marine Le Pen and Eric Zemmour square off in effort to gain supporters and highlight their anti-immigration, anti-Islam positions

Upcoming vote in April has been marked by repeated clashes over the national narrative

French president uses 'emmerder,' rooted in the word for 'crap' and meaning to rile or to bug, as he talks about policies for those who refuse to get inoculated

Controversial commentator lightly hurt when man grabs his arm as he heads toward stage; fighting breaks out and supporters throw chairs at activists with 'No to Racism' t-shirts

Le Pen has for years sought to distance herself from the antisemitic legacy of her political group; she is in Poland for gathering of right-wing European party leaders

Fiercely anti-immigration and seen by critics as a racist, candidate says he will 'save' France, but his popularity has waned following an initial surge in polls in recent months

Eric Zemmour, 'Trump-like' TV personality with repeated hate speech convictions, is finding fervent audiences for his anti-Islam invective and distortion of France's WWII Nazi ties

Eric Zemmour has yet to declare candidacy for next April's election, but is positioning himself to eclipse Marine Le Pen as anti-elite challenger to Macron

Eric Zemmour, who has yet to officially enter race, could advance to second round of next year's vote, facing off against Macron , survey finds

Eric Zemmour, known for his anti-immigration and anti-Muslim rhetoric, won't rule out run for presidency, after leaving role as primetime commentator in wake of regulatory decision