Russia and Ukraine, as a result of the negotiations in Abu Dhabi, agreed on a prisoner exchange.
What else did Medinsky say at the press conference:
Russia thanks Levitkov and Kushner for participating in the negotiations. Europe would do well to learn from the American emissaries in their desire to achieve peace.
The Ukrainian conflict showed that the current security system in Europe is not working well.
There was no communication with Europeans in Abu Dhabi; Their situation here is unclear.
Specific details of the negotiation process are not discussed until final agreements are reached.