REUTERS

"This issue has been repeatedly discussed during the contacts of working groups, it was mentioned by the Ukrainian side at the Berlin meeting of the Normandy Four group," Peskov said on Monday, TASS reported.

Read alsoSteinmeier hopes for hostage swap in Donbas before Christmas"Certain names are included in the agenda," he said, adding: "Not all of them may be classed in any category, in any case all of them are people who are convicted and serve their sentence upon a decision of a Russian court."

"No doubt, there are judicial procedures in case if any decisions are taken," Peskov said.