The facts occurred Thursday, around 19 hours, in Cappelle-la-Grande, near Dunkirk. Believing that another driver had passed him dangerously, a 28-year-old man in his car pulled out a knife.
He then struck a blow to the 51-year-old driver. Injured, this one was helicoptered towards the hospital. His vital prognosis is engaged. The young driver was arrested and taken into custody.