Just a week ago, an underwater attack drone has been found [1] beaching near russian naval base. These could be used to damage the pipeline. This benefits the US trying to prevent the EU backing down from their own sanctions in face of crumbling Ukraine op.<p>[1]: <a href="https://www.forbes.com/sites/davidhambling/2022/09/22/mystery-vessel-may-be-new-ukrainian-attack-drone/?sh=4469219d7a77" rel="nofollow">https://www.forbes.com/sites/davidhambling/2022/09/22/myster...</a>
If this is really a sabotage, I have a hard time to see who could benefit from it. Even if they don't want to deliver gas right now, I don't understand why Russia would sabotage its infrastructure.