"On June 12 of this year, in accordance with the Russian-Ukrainian agreements reached on June 2 of this year in Istanbul, a group of Russian military personnel was returned from the territory controlled by the Kiev regime," the statement said.
In return a group of prisoners of war of the armed forces of Ukraine was transferred to Kiev, the ministry said.
The Russian military personnel are currently in Belarus, where they are receiving the necessary psychological and medical assistance, the ministry added.