France protests: nearly 1,000 arrested as riots surge in Marseille and Lyon

Fourth night of demonstrations sees 45,000 police deployed as authorities claim the situation is calmer

• French riots - latest updates

Nearly 1,000 people in France were arrested and 80 police injured during a fourth night of unrest triggered by the fatal police shooting of a teenager, but officials claimed the situation was calmer than on the previous night.

Forty-five thousand police officers, including special forces, were deployed to respond to rioting across the country on Friday night, with the situation in two major cities - Marseille and Lyon - highlighted as particular chaotic, with buildings and vehicles torched and stores looted.