Around 40 people were arrested in Paris and its surrounding areas during a massive protest

 In one district, the protest quickly escalated into clashes with law enforcement, during which officers used tear gas.

Hundreds of protests and demonstrations have been announced across France for Saturday.

 In Marseille, clashes between police and protesters have already broken out during demonstrations critical of the government.

Security forces are using tear gas, while protesters are throwing objects, including bottles, at police and blocking streets.

Fearing unrest, business owners in Paris had already boarded up their shop windows on Friday.