Seven-hundred people were placed in quarantine, but about 200 who attempted to get out clashed with police.

Residents - now fenced off - attacked police with fireworks, bottles and metal bars, officials said.

The quarantine was imposed on Thursday, after two residents tested positive, then more tests showed 102 infections.

At that point the infection rate there had risen to a critical level of 44.8 per 100,000 inhabitants across seven days - the national threshold for containment of the virus is 50 new infections per 100,000.

Local authorities in Germany have flexibility to impose rules for their area, which differ regionally.

By Friday, 120 people were found to be infected. Most residents have been complying with the quarantine.

Eight police officers were injured in Saturday's violence and a suspect was detained, but released after questioning.

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