Urban violence in France has continued for a 10th night, with more than 900 cars set ablaze in several cities and nearly 200 arrested. Central Paris, the southern city of Toulouse and Nantes in the west were the latest to be hit by the unrest. The attacks came as the French authorities said they were determined to stop the unrest. Interior Minister Nicolas Sarkozy warned of stiffer jail sentences for arsonists following Friday`s damage. In the capital itself, four vehicles were set alight near Place de la Republique, and several cars were torched in the 17th district. In some areas of the Paris, night buses were cancelled as a precaution. Police helicopters patrolled the skies over the city, attempting to pursue and identify those responsible for the attacks. Attacks were also reported in Nice, Lille, Marseille and Dijon. In the northern town of Evreux in Normandy, at least 50 cars were burned at a shopping centre, and a post office and two schools were also set alight. Firefighters were called in to deal with a blaze which destroyed half a pre-school in Grigny, Essonne region. A primary school was also slightly damaged. A recycling facility was attacked, with 800 sq m of paper going up in flames. Two teenagers in the suburb of Drancy northeast of Paris were handed over to police after they tried to set fire to a truck. During the day hundreds of people joined marches in Paris suburbs to protest against the violence. Prime Minister Dominique de Villepin met eight key ministers and the head of the Paris mosque, Dalil Boubakeur. After the meeting, Mr Boubakeur urged a change in tone from the government. Mr de Villepin has been holding a series of meetings with public figures and ordinary people from the affected areas as he seeks an end to the crisis. Bbc news