If one or more of the US, Ukraine, or European Union countries were responsible for the recent Nord Stream attack, this question resolves YES.

If Russia or Belarus was responsible, this question resolves NO.

If a different nation or a non-state actor was responsible, and in my estimation their motives were aligned with one of the two sides, this question will resolve accordingly.

This market resolves once we have a definitive answer to this question. If we never reach a point where I can safely be that confident either way, it'll remain open indefinitely.

(The intent of this market is similar to  

https://manifold.markets/zzq/was-a-westernaligned-party-such-as

 but without a fixed end date or likelihood of N/A.)