Who is Christophe Dettinger, the former boxer who challenged French police during a protest of the yellow jackets?

"The person who attacked the gendarmes on Saturday … appeared before the Paris territorial security investigators, was immediately arrested for questioning and will have to answer for his actions before the courts," Castaner told Twitter.

The man, identified by the French media as Christophe Dettinger, was wanted, as footage leaked on social networks on Saturday, beating two policemen, one of whom was on the ground.

Dettinger, 37, is a former professional boxer known in the ring as "The Gypsy of Massy," a city south of Paris.

At least 50,000 "yellow vests" once again challenged the French government for the eighth consecutive time, with protests across the country ending in episodes of street violence.

In Paris, government spokesman Benjamin Griveaux had to be evacuated from his offices after protesters knocked over his ministry door and entered the inner courtyard.

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This was the first mobilization of 2019 of this collective old government, despite the concessions of the executive, who last month announced a series of measures to increase purchasing power and reduce the tax burden of 10 billion euros.

#GiletsJaune strong mobilization #Paris le peuple en colère force the police barrages # Acte8 #ActeVIII # 05janvier # 05janvier2019 pic.twitter.com/BSnVj6glKL

– LINE PRESS (@LinePress) January 5, 2019

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The move came in protest of rising fuel prices, then defending broader demands on taxes or the right to a referendum on citizens' initiative.

This "act VIII" of mobilization was a test for the protest movement, which has been defying the government for a month and a half, although in recent weeks it has lost strength.

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