"There are people in Russian jails who we consider political prisoners. There are 11 of them," he said.
Read more: Savchenko and Sentsov trials to see EU representatives, - Foreign Ministry
"Despite international legal norms, we still do not even have consular access to some of them... to Karpiuk and Klykh," Klimkin said.
He noted that the Foreign Ministry invests equal efforts in liberating all Ukrainians detained in Russia, both well-known, like Nadia Savhcnenko and Oleh Sentsov, and ordinary citizens.