Copenhagen police have raided two Hells Angels strongholds in a search for weapons. Four people are reported to have been detained. Police officers have raided two Hells Angels strongholds in Copenhagen in a search for weapons, according to Copenhagen Police Supt. Steffen Steffensen, who adds that his officers are searching for weapons. “We’re seeing what we can find, we have dogs inside looking,” Supt. Steffensen says. The two strongholds being searched are on Svanevej in Copenhagen and Lindgreens Allé in Amager.