Blogger Ruslan Leviev reported that they managed to find three graves, Censor.NET reports with reference to "Dozhd" TV channel.
Leviev wrote that Russian servicemen died allegedly on May 5. The place of their death is not known yet and is being investigated.
"The commandos died on May 5 in Ukraine, they came under fire. On May 10 they were buried," he said.
Leviev also said that the dead commandos do not have any connection with the Russian servicemen captured recently in Ukraine.
He refused to name the place where the graves were found out of security considerations.