Police have raided more than 30 premises linked to suspected far-right extremists in Berlin and three other eastern German states.

German news agency dpa reported that the raids early Wednesday were mainly centered on Brandenburg state and the region around Cottbus, about 100 kilometers (62 miles) southeast of the capital.

According to Brandenburg police, the investigation focuses on about 20 people with ties to Germany's hooligan, martial arts and right-wing extremist scene.

Cottbus has a comparatively large neo-Nazi scene affiliated to the city's main football team, Energie Cottbus.

Read more: Minneapolis Star Tribune