Spokesperson for the Ukrainian negotiator Darka Olifer wrote on Facebook, Censor.NET reports.
"On April 18, 2017, it was planned to verify those persons refusing to be taken to the part of the Donbas beyond control of the Ukrainian government. However, the stance of the "DPR"/"LPR" representatives rendered it impossible.
See more: Russia seeks to swap 14 of its citizens detained and charged in Ukraine, - Hromadske. PHOTOS+VIDEO
"An agreement to hold this verification as soon as possible was reached at today's meeting. The representatives of the OSCE, the Security Service, the office of the Ukrainian ombudsman, mothers of detainees will also take part in this process," Olifer wrote.
Related materials: Russian aggression against Ukraine