The fallout from the violent death of Quentin Deranque exposes Jean-Luc Mélenchon’s flaws – and leaves the wider left facing an impossible dilemma, says UCL professor of European politics, Philippe Marlière

The leader of the French radical left said far-right groups had laid a 'trap' ahead of the street fighting that led to the death of far-right activist Quentin Deranque.

Since the tragedy in Lyon on February 14, activists from radical left La France Insoumise have faced rising hostility on the ground. Other left-wing parties are now pressed to say…