Suburbs of Paris had their ninth night of rioting, with nearly 900 vehicles damaged.
Residents in Aulnay-sous-Bois responded to the riots on Saturday with a silent march.
The marchers' banners and clothing called for an end to the violence.
On the previous night, a warehouse was set alight in Le Bourget.
Aulnay-sous-Bois has seen some of the worst of the violence.
Firefighters fought this massive carpet warehouse blaze there for several hours.
Riot police were deployed in force across the affected areas.
The violence was sparked by the deaths of two youths of African origin.
The government has pledged to crack down on the unrest, which shows no sign of abating.
Many local people have been stunned by the scenes being played out in one of the world's richest cities.
The violence has spread beyond Paris - with incidents reported in the east, south and west of France.