The distance from Helsinki to Tallinn is just above 80 km and there is only a narrow sliver of international waters in between the territorial waters. It is quite well monitored by surface and underwater surveillance.
In this particular case there is no need for a choke point, it already is one.
The ship suspected for this sabotage was promptly escorted to Finnish territorial waters and is guarded by coast guard vessels and helicopters.
This time the ship in question is under Cook Island / New Zealand flag, and they are more likely to cooperate than the previous instances where vessels under Hong Kong and Chinese flags. Apprehending a vessel on international waters requires the nation whose flag it's under to approve.
In this particular case there is no need for a choke point, it already is one.
The ship suspected for this sabotage was promptly escorted to Finnish territorial waters and is guarded by coast guard vessels and helicopters.
This time the ship in question is under Cook Island / New Zealand flag, and they are more likely to cooperate than the previous instances where vessels under Hong Kong and Chinese flags. Apprehending a vessel on international waters requires the nation whose flag it's under to approve.