French Prime Minister Dominique de Villepin called for a return to calm in the Paris suburbs on Tuesday after youths went on the rampage on the capital's outskirts for the fifth night running, Reuters reported. Eleven vehicles were burned and a policeman lightly injured in the latest overnight disturbances in the northeastern Paris suburb of Clichy-sous-Bois. "The prime minister stressed the need for a return to calm and the restoration of public order," his office said in a statement issued after he met the families of the two teenagers who were electrocuted.