Previous incidents only few months ago https://news.ycombinator.com/item?id=42172565. Baltic is quite small and these sort of incidents have not been common.

So it’s likely these are not isolated incidents but part of same geopolitic narrative (hybrid war efforts).

This is what happens when US 'no escalation at all cost' politics infect NATO. Started with US request to Poland and Romania to not shoot down russian missiles/drones.