KYIV : Ukraine and Russia conducted another POW swap - the fourth one in a week - the warring sides said on Saturday (Jun 14), under agreements reached in Istanbul earlier this month. "We continue to take our people out of Russian captivity. This is the fourth exchange in a week," Ukrainian President Volodymyr Zelenskyy wrote on social media. "In accordance with the Russian-Ukrainian agreements ... another group of Russian servicemen was returned from the territory controlled by the Kyiv regime,