https://archive.today/2023.06.11-091350/https://www.washingtonpost.com/national-security/2023/06/06/nord-stream-pipeline-explosion-ukraine-russia/

The European intelligence made clear that the would-be attackers were not rogue operatives. All those involved reported directly to Gen. Valery Zaluzhny, Ukraine’s highest-ranking military officer, who was put in charge so that the nation’s president, Volodymyr Zelensky, wouldn’t know about the operation, the intelligence report said.