KIEV, June 26 (Xinhua) -- Ukraine and Russia on Thursday carried out another round of their prisoner exchange, according to Ukraine's Coordinating Headquarters for the Treatment of Prisoners of War.

The swap involved soldiers under the age of 25, as well as ill and wounded servicemen from the Ukrainian Armed Forces, the National Guard and the State Border Guard Service, the agency said in a statement.

Most of those released had been in captivity for more than three years, with some having taken part in the battles for Mariupol, the statement said.

All returning soldiers will undergo medical examination, receive psychological support and physical rehabilitation, it said.

Meanwhile, Ukrainian President Volodymyr Zelensky emphasized in his post on Telegram the importance of bringing all Ukrainians home from Russian captivity.