Earlier quoted context omitted.
Assuming the explosions are relevant, some possible causes, ordered somewhat (but not entirely) by my personal estimation of likelihood: * Ecoterrorists -- I discount this mostly on the basis that they would have claimed responsibility by now. * NATO sabotage -- this reduces strategic options for several EU countries (albeit a strategic option that isn't really being exercised and is almost universally disfavored). *…
One reason for Russia to sabotage it is as a show of force. "If we can hit our pipeline we can hit your pipeline, too". In unrelated news a brand new pipeline going from Norway to Poland through the Baltic sea opened just yesterday https://www.euronews.com/2022/09/27/baltic-pipe-norway-polan... Talking about poor maintenance in a thread about registered underwater explosions sounds like FUD
https://www.nytimes.com/2022/09/27/opinion/russia-mobilizati...