Darkness brought another night of violent scenes across France but the protests were smaller and less widespread than those of the previous twelve nights.
Extra police officers on the streets helped by the swiftly introduced curfew law may have prevented serious disorder from developing.
But violence did flare in some towns and cities after nightfall. In one suburb in Toulouse, dozens of youths hurled stones and molotov cocktails at police.
In Lyon, the city’s entire transport network was suspended for a time after a metro station was fire bombed and two buses were set on fire.
On a visit to Toulouse Interior Minister Nicholas Sarkozy met dozens of police officers and promised that the “power of the French Republic” would triumph over what he described as “the brutal force of the gangs”.
The government has announced extra help for deprived areas, including measures aimed at tackling youth unemployment.