A large number of demonstrations against police violence have been called on Saturday in France after authorities banned an annual memorial march for a young black man who died in 2016 during a police intervention.

The march in the name of 24-year-old Adama Traoré, organized every year by his older sister Assa Traoré, was scheduled to be held on Saturday in the suburb of Beaumont-sur-Oise, north of Paris.

Stopped after riots

But after the violent riots that rocked the country last week, a court decided on Friday to ban the march due to the tense situation.

Following the announcement, Assa Traoré, in a video on Twitter, instead called on people to gather at Place de la République in central Paris to protest against police violence on Saturday afternoon.

"I will scream to the whole world that my brother has a right to exist," she says in the video.

On Saturday morning, however, it was announced that the announced demonstration in Paris, which has been called "a march for justice", has also been banned by the French authorities.

Nevertheless, more than 1 000 people turned up at the Place de la République, including several Members.

"Public liberties are losing ground little by little," said Sandrine Rousseau, a member of the Green Party (EELV).

30 protests

A number of left-wing politicians, including Antoine Léaument, also announced earlier that they would take part in a demonstration on the Place de la République.

Another thirty protests against police violence have been announced in cities such as Lille, Marseille, Nantes and Strasbourg on Saturday.

Ahead of this year's memorial march for Adama Traoré, several French trade unions and political parties had called on supporters to participate.

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Riots in France after 17-year-old shot by police in Nanterre – here's the background. Photo: Reuters