German Federal Prosecutor Indicts a Ukrainian Over the Nord Stream Sabotage on Four Counts
Karlsruhe, 2 July 2026
Key points
- On 2 July 2026 Germany's federal prosecutor charged a Ukrainian national, identified under privacy rules as Serhii K., over the September 2022 explosions that destroyed three of the four Nord Stream pipeline strings
- The four counts include a war crime — attacking civilian objects under Germany's international-crimes code — alongside causing an explosion, destroying structures and disrupting public utilities
- Prosecutors allege he coordinated the crew of a sailing yacht chartered with forged papers; he denies involvement, and Ukraine denies any role
- In December 2025 the Federal Court of Justice held that neither state immunity nor combatant privilege would shield him, even if he had acted on a foreign state's orders
Germany's federal prosecutor indicted a Ukrainian national, named under privacy rules only as Serhii K., on 2 July 2026 over the September 2022 Nord Stream pipeline explosions, on four counts including the war crime of attacking civilian objects.
The Generalbundesanwalt charged Serhii K. before the state-security senate of the Hanseatic Higher Regional Court in Hamburg, the first suspect to face trial over the sabotage that destroyed three of the four Nord Stream strings in the Baltic on 26 September 2022. The indictment lists four counts: the war crime of attacking civilian objects under Germany's Code of Crimes Against International Law, causing an explosion, destroying structures, and disrupting public utilities. Prosecutors allege he coordinated a seven-person team aboard a sailing yacht chartered with forged papers from a Rostock company; the vessel's name and the crew breakdown come from earlier investigative reporting, not the prosecutor's statement.
He denies involvement, says he was a member of Ukraine's armed forces and in Ukraine at the time, and his lawyer has said he is confident the charges will be dropped; Ukraine denies any role. The accused was arrested in Italy in August 2025 and extradited to Germany in November. In a December 2025 ruling on his detention appeal, the Federal Court of Justice held that neither functional state immunity nor combatant privilege would shield him — reasoning that combatant privilege does not cover covert acts by military personnel and that the pipelines were civilian objects — even if he had acted on the orders of a foreign state's intelligence service.
The case exposes a live European fault line. Poland's courts refused a German arrest warrant for a second suspect in October 2025, a judge reasoning that acts against an aggressor state's infrastructure were “military actions of a sabotage nature” rather than crimes.
The proprietary read. A German court is formally testing whether the largest sabotage of European infrastructure since the Cold War can be prosecuted as a crime, at the same moment Berlin legislates to arm Kyiv faster. As Signal No. 94 noted, Poland's refusal to hand over a second suspect exposes the fault line the trial will widen: whether striking an adversary's export infrastructure is a crime to prosecute or an act of war to shield is a question every European capital now answers differently. Nothing is proven — this is an indictment the accused and Ukraine both reject.
Sources: Der Generalbundesanwalt beim Bundesgerichtshof · Bundesgerichtshof · Hanseatisches Oberlandesgericht Hamburg · Reuters.
First reported in Signal No. 94, 1 July 2026.