I think Russia is doing random stuff of the kind, my understanding is it’s just about sawing general chaos, not doing a strong action that would be discussed at a diplomatic level.
Sowing*
Russia's idea of hybrid warfare means doing things like dragging anchors across internet cables and paying people to firebomb warehouses and businesses.
Really though? this feels cartoonishly evil, like the kind of thing a children's cartoon villain would do. It doesn't have any meaningful impact