Russia warns the United Kingdom that it will bomb British vessels if any further provocative action is taken by the British Royal Navy in the Black Sea. Russia had previously summoned the British ambassador to Russia over this week's incident. The UK says that the vessel was in Ukrainian waters, that it was entirely right to use the route, and that the Royal Navy will always uphold international law and will not accept unlawful interference with innocent passage.
A shipwreck discovered in the Norwegian trench in April 2017 is confirmed to be that of the German cruiser "Karlsruhe", according to Norwegian power grid operator Statnett and a maritime archaeologist. The cruiser was sunk by a British Royal Navy submarine on April 9, 1940, during the opening stages of Operation Weserübung.
The Arctic Research Foundation discovers the wreck of the Royal Navy's HMS "Terror" almost completely intact off the southern coast of King William Island in the Canadian Arctic Archipelago, 168 years after being abandoned during Franklin's lost expedition in 1848.
Britain's Ministry of Defence says the Royal Navy has rescued 541 people this week as they scoured the Mediterranean Sea in operations to counter refugee smugglers. The HMS Enterprise, a survey vessel, rescued 439 migrants, and HMS Richmond, a Type 23 frigate, rescued 102 migrants. The asylum-seekers were transferred to the Norwegian support ship Fiem Pilote.
Thousands of Kenyan farm workers are temporarily laid off as harvesting of flowers and vegetables is stopped due to flight disruptions; the Kenya Flower Council says 3,000 tonnes of flowers meant for export have been scrapped.