Left-wing group claims responsibility for sabotage causing Berlin blackout

By Nette Nöstlinger | 01/06/2026 12:39 PM EST

The arson attack has brought the southern part of the German capital to a standstill.

A person walks in a dark street during a power outage in Zehlendorf district in Berlin.

A person walks in a dark street during a power outage in Zehlendorf district, following an arson attack on power cables Sunday in Berlin. Omer Messinger/Getty Images

BERLIN — An extreme left-wing group has claimed responsibility for an arson attack that caused a blackout affecting about 45,000 households and more than 2,000 businesses in Berlin over the weekend.

“This isn’t just arson or sabotage. It’s terrorism,” Berlin’s Mayor Kai Wegner said Sunday of the attack, which burned through a cable connected to one of the city’s largest gas-fired power plants.

Members of the so-called Vulkan Group, known for similar attacks on critical infrastructure in the past, claimed responsibility for the sabotage in a letter titled: “Cutting off power to those in power,” which was published online.

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“In the greed for energy, the earth is being depleted, sucked dry, burned, ravaged, burned down, raped, destroyed,” the group, which is listed by Berlin’s intelligence services as a left-wing extremist organization, said in the letter.

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