NANTERRE, France (Reuters) – French President Emmanuel Macron struggled to contain the escalating crisis sparked by the shooting of a teenage boy by Algerian and Moroccan immigrants on Thursday. During the night, mayhem spread through the major cities. The police issued a traffic stop. Forty thousand police officers were deployed across France, almost four times the number mobilized on Wednesday. But there was little evidence that the government’s call to quell violence would quell widespread anger.