German police pushed back several groups of environmental activists who tried to enter Tesla's factory outside Berlin.
A police spokesman said there were injuries among protesters and police officers, AFP reported.
Activists are protesting plans to expand the factory, which opened in 2022 after an arduous two-year approval and construction process beset by administrative and legal hurdles.
The protests have increased since February. In March, the plant was forced to halt production due to an alleged arson attack on nearby power lines, which a far-left group claimed responsibility for.
Tesla wants to expand the site by 170 hectares (420 acres) and increase production by up to one million cars a year to meet growing demand for electric cars in Europe and to deal with rivals that are abandoning cars with gasoline engines. internal combustion.
Local residents voted against the project in a non-binding referendum in February. /BGNES