Rumen Radev, Bulgaria’s prime minister, has summoned Russia’s ambassador following drone attacks on two merchant ships near its Black Sea coast. The Guinea-Bissau-flagged HS Dignity sank approximately 31 kilometres offshore, with six crew…

Ukrainian military officials said on 7 May that they had sunk another Russian warship in the Black Sea. The ship was a craft designed to transport and deploy troops to the shore. The…

Ukraine will not allow Russian men aged 16-60 into the country following the imposition of martial law, Kiev says. An exception would be made for "humanitarian cases" such as those travelling to funerals.…

Two American destroyers have sailed into the Black Sea, the first time since 2014 that more than one US warship has operated in this tense region other than in an exercise. ‘Our decision…