The Nice Public Prosecutor's Office opened an investigation after violence committed on the margins of Saturday's demonstrations by individuals suspected of belonging to the ultra-right movement.
While the mobilization took place rather calmly, clashes involving ultra-right-wing activists broke out on Saturday in the heart of France's fifth city.
Of the 59 persons held in police custody on Saturday following the demonstrations, 11 were likely to belong to the ultra-right wing, according to the Public Prosecutor's Office.
The Nice Public Prosecutor's Office opened an investigation after violence committed on the margins of Saturday's demonstrations by individuals suspected of belonging to the ultra-right movement.