The Alliance police union has accused authorities of putting officers’ lives at risk during nationwide protests

France’s leading police union has announced that it is set to sue the state, accusing it of leaving officers “betrayed and abandoned” during a wave of violent nationwide protests.

The union’s planned legal action comes in the wake of unrest last week, when around 550,000 people took to the streets over rising prices and deteriorating school conditions. Demonstrations descended into rioting across Paris, Lyon, Marseille, and Bordeaux, with businesses looted and buildings set on fire.…