German police suspect the Vulkangruppe ("Volcano Group") was behind an arson attack that caused a power outage in parts of Berlin. Hans-Jakob Schindler of the Counter Extremism Project told DW what's known about the group.
Left-wing extremism and terrorism remain a significant form of ideologically motivated violence. Transnational connectivity and loose, leaderless networks—both offline and online—are key elements of this milieu’s operations. As with other extremist...
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