A Russian submarine and warship were damaged in the pre-dawn barrage on the Sevastopol shipyard - potentially the largest strike against Russian naval targets of the war.
The low cost, maneuverability, and effectiveness of the drones have led to the attack on Sevastopol being described as a revolutionary moment in the development of modern naval warfare.
Russia's weekend backtrack from a U.N.-brokered deal to export Black Sea grains is likely to hit shipments to import-dependent countries, deepening a global food crisis and sparking gains in prices.
On October 11, the Arbitration Tribunal in The Hague will begin hearings on the jurisdiction in the case of Ukraine against Russia regarding the seizure of Ukrainian sailors and ships of the Ukrainian Navy in November 2018.
Experts have estimated the amount of damage Ukraine has suffered since Russia occupied Crimea and blocked access to natural resources on the Black Sea shelf.
On August 24, 2021, Ukraine celebrated its 30th Independence Day. In honour of this date, a naval parade took place in Odesa. Odesa is one of those Ukrainian ports where the Ukrainian naval forces were relocated after the occupation of Crimea by Russia.
According to the Russian military, HMS Defender was told to change course, and when it failed to do so, a Russian border patrol ship sent several warning shots. The UK government rejected Russia's account of the incident and denied that any warning shots had been fired.
An appeals court in Russian-occupied Crimea has decided that five Ukrainian Navy sailors captured by Russian forces in late November will not be released