That's your attribution -- not the article's. Other than Zaluzhny (who does seem to be a bit of a loose canon; that's why Zelenskyy fired him after all) we have no information yet on who else was involved or their political affiliation as a group.
The NS2 bombing was stupid, but it wasn't terrorism.
“One of the most audacious acts of sabotage in modern history, the operation worsened an energy crisis in Europe—an assault on critical infrastructure that could be considered an act of war under international law.”
Which other potential terrorists are they looking for?
The NS2 bombing was stupid, but it wasn't terrorism.