The men were said to have paid smugglers the equivalent of more than $3,600 each.
At the current Olympic Games, only 15 Russians are competing as neutral athletes due to sanctions following Russia’s invasion of Ukraine.
The Wagner mercenaries supported them over a week ago.
The number had once stood as high as 51,000, Dmytro Bohatiuk, who leads the ministry’s missing persons department, told state news agency Ukrinform.
Mali’s transitional military government said on Thursday that it would allow political parties to resume operations after a three-month suspension.
The body of a missing boy has been retrieved from the rubble of an apartment block in Kyiv that was destroyed in a Russian missile attack.
Moscow says it has enough experience to mitigate the impact of such restrictions.
The military aid for Ukraine uses the interest and other profits from the Russian assets but not the underlying assets themselves, which will remain frozen.
The north-eastern Ukrainian city which has been the target of Russian airstrikes for months was hit by two glide bombs.
Members of the group are said to be opposed to the legitimacy of the modern German state.
