The attack allegedly took place in the basement of a restaurant during clashes in the French capital over the weekend.
Looters and thugs wearing masks and carrying clubs and axes rampaged through luxury boutiques, chemists and supermarkets
It was announced yesterday by police that a rape was allegedly committed on Saturday December 1.
The protester is accused of forcing a 23-year-old woman, also believed to be taking part in the demonstrations, to perform a sexual act on him.
Fellow protesters are reported to have beaten the suspect and handed him over to police after the woman told them what happened.
He is now in custody and being interrogated by police.
It is reported that he was under the influence of drugs during the attack.
Le Parisien, a French newspaper, confirmed today the attacker is a yellow vest protester from Seine-et-Marne.
Around 20 other protesters have been detained for the theft of an assault rifle from a police car, vandalism of the Arc de Triomphe, destruction of a grid on the Tuileries Garden and instances of theft and drug taking.
French police chiefs today called for a State of Emergency to be declared and for the Army to take to the streets following the worst rioting in Paris in 50 years.
The Arc de Triomphe was among hundreds of buildings attacked by anti-government ‘Yellow Vest’ fuel price protesters on Saturday — who said their actions were "the start of a revolution".
Graffiti was daubed on the famous landmark calling for President Emmanuel Macron's resignation ahead of his tour through the scenes of destruction.
Burnt out cars also littered the streets of the French capital.
Inspecting the graffiti-covered monument after he returned from the G20 summit Macron was booed by protesters after more than 12 hours of violence in the French capital.
After seeing the devastation for himself Macron then headed a crisis meeting over what is thought to be the worst rioting in France since the civil unrest in 1968.
There were more than 400 arrests and up to a 130 serious injuries – including 23 police officers.
Reports have indicated the CRS, the French riot police, used "grenades" to gain control of the Parisian streets and stop the protesters.
Others wanted the army brought in to suppress the violence.