Think have no idea. On return my friends was randomly questioned by UK police at St. Pancras about what was going on over there (not related to the incident). He asked them why the French didn't co-operate closer with UK police, apparently they refused.
Friend just got back from Marseilles
Was sitting a bar minding his own business. Russia guy walks in off the street and just lamps him out of nothing, then a whole gang try and invade the place, staff hold them back and call the police. They arrive and toss a can of tear gas into the bar...