According to prosecutor Silvi Canovas, the incident occurred in the commune area of Notre-Dame-des-Landes where the protesters tried to prevent the dismantling of illegally populated buildings.
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According to the Le Parisien newspaper, the protesters attacked the police forces and the latter were forced to use light-toothed grenades (GLI-F4). One of them tore off a hand of a 30-year-old man who was trying to raise it, eyewitnesses of the clash said.