Russian Federation blocking Kerch Strait: Impacts on Foreign Trade, Political and Economic Outlook After 10 days of Russian blockage of the Kerch Strait in the Azov Sea, Ukraine announced on 4 December that it had resumed grain shipments, marking the end of the military standoff. On 25 November, Russia had deliberately blocked the strait to prevent the peaceful passage of a Ukrainian Armed Forces naval group.It had claimed early in the incident that the ships were stranded, which Ukrainian Navy Commander Ihor Voronchenko denied. The Ukrainian Navy command said that Russian border ships carried out openly aggressive actions against two Ukrainian small-armored artillery boats, the Berdiansk and Nikopol, and the Yana Kapu tugboat. According t...