A woman in the southern city of Marseille suffered severe burns when vandals set fire to a bus she was traveling on, a police source said on Saturday.
The attack occurred as France marked the first anniversary of riots that scarred the country's poor suburbs, inhabited largely by immigrants.
Vandals have set at least six buses on fire in suburbs around Paris this week in an upsurge of violence ahead of the anniversary, but there have been no injuries.
The police source said an unknown number of people forced their way on to the bus in Marseille at about 9.00 p.m. (1900 GMT) and set fire to it before a 26-year-old woman could escape.
"The woman's life is in danger," the source said...