Greta Thunberg was detained while protesting at the opencast coal mine of Garzweiler 2, some nine kilometres from Luetzerath in Germany.

Tens of thousands took to the streets across Germany for weekly marches that have organizers have labeled ``strolls'' in an attempt to bypass COVID gathering restrictions.

Footage of the incident showed hundreds of people, some waving the flag of the German Reich of 1871-1918 and other far-right banners, running toward the Reichstag building and up the stairs.