Russia threatens retaliation if Denmark restricts Russian ship transit through Danish Straits over insurance and environmental concerns; Danish legal analysis supports sanctions enforcement under international law. Danish Army restructuring efforts continue amid concerns over readiness for potential conflict with Russia.

On May 4, 2024, Russia stated it will retaliate if Denmark imposes restrictions on Russian ship movements through the Danish Straits due to issues of lacking insurance and environmental reasons. The context involves enforcement of sanctions and maritime passage rights under the 1857 Copenhagen Treaty and the United Nations Convention on the Law of the Sea (UNCLOS). Danish legal experts from Gorrissen Federspiel have analyzed the legal frameworks governing this situation in a paper titled "Passing through? Russian Vessels in the Danish Straits." The incident reflects Russia's attempt to pressure Denmark diplomatically amid sanctions enforcement related to Russia's maritime activities, particularly regarding a so-called 'dark fleet' and denied transit through an important international maritime chokepoint.