The UK, the United States, Croatia, and Sweden confirmed on Wednesday their citizens' release as part of a prisoner exchange between Russia and Ukraine.

The UK Prime Minister Liz Truss wrote on Twitter about the "hugely welcome news" about the release of five British nationals "held by Russian-backed proxies in eastern Ukraine."

She did not name them, but Aiden Aslin and Shaun Pinner are likely among them.

In addition, relatives of American volunteers Alex Drueke and Andy Huynh also confirmed to Reuters their release.

On Wednesday, the Ministry of Foreign Affairs of Croatia announced the release of Vjekoslav Prebeg. The head of Sweden's Foreign Ministry, Ann Linde, also confirmed the release of their citizen, without naming him, reports SVT.

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As previously reported, with the mediation of Saudi Arabia, Russia agreed to release ten foreign prisoners of war who fought in Ukraine - citizens of the USA, Morocco, the UK, Sweden, and Croatia.

The European Court of Human Rights obliged Russia to respect the rights of all prisoners and provide them with access to necessary medical care.