Members of the Front National were travelling to a meeting in Nantes when they were attacked by a hundred or so leftist thugs wearing masks and armed with bats. The leftists also blocked roads using burning tyres and slow-moving vehicles.Les méthodes de l'extrême-gauche en France, des attaques de bus se rendant au meeting de Marine, violences et antidémocratie. #NantesMLP pic.twitter.com/fcg6KkqjsG— Khey_Mysterio 1825 (@Khey_Mysterio) 26 February 2017
It's worth bearing in mind that Marine Le Pen is the leading candidate in the French presidential elections. So this isn't some fringe party that is being attacked.
For those interested, Marine Le Pen's electoral manifesto has been translated into English (here).