Russia’s grip on its gateway to the Black Sea is slipping after a series of Ukrainian attacks forced Moscow to suspend traffic through the key waterway this week, limiting the Kremlin’s ability to trade with the rest of the world.

Russia said Tuesday it was looking at “alternative shipping routes” and could limit traffic in the Azov Sea due to intensifying Ukrainian strikes, as Kyiv

Moscow is targeting trade routes and deepwater ports to strain Ukraine’s wartime economy.