A female police officer and her boss suffered a "cowardly and criminal lynching" by a gang of rampaging youths who then posted videos of the attack online.
The woman – who has not been named – was filmed being kicked around like a rag doll as the gang around her whooped and screamed in the attack in a notoriously bad neighbourhood of Paris.
Earlier in the clip, the youths jumped on top of a car that had been flipped on to its roof.
In the video, an unidentified woman is using Paris street slang to say: "The evening has really gone wrong!
"Goodness! Poor copper!"
The office's colleague was so badly hurt that at one stage he was forced to remove his pistol from its holster, but he did not get a shot off.
The horrifying incident took place in the early hours of Monday following an emergency call in the suburb of Champigny-sur-Marne, to the south east of the French capital.
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