Moskalkova stated this, answering a question from journalists, RIA Novosti reported.
According to her, ships with a crew are held in the city of Izmail.
The Ombudsman added that the Ombudsman's office is in touch with the relatives and friends of the sailors and "in constant correspondence with the Ukrainian side" on the release of the Russians.
In early April, Moskalkova confirmed the exchange of prisoners with Ukraine in the 86 to 86 format.