"Any violent action serves only one person, Mr Retailleau (...), this man is odious, he represents a rotten part of our country," says Jean-Luc Mélenchon, leader of hard-left party La France Insoumise (France Unbowed). Mélenchon made the remarks on the sidelines of a demonstration in Marseille during a day of nationwide strikes aimed at influencing the budgetary choices of the next government. SOUNDBITE