A source from the group told Interfax, Censor.NET reports.
"So far it was not possible to reach an agreement and set the date for the start of the release of detained persons," the source said.
The group representative also said the talks are quite tense.
"The contradictions of the sides are too strong, so no chance to speak of efficient process so far," the source told the agency.
Terrorists keep 137 civilian hostages: Russian mercenaries detain people who cross contact line, - Tandit(0)