ALMATY, Jan 20 (Reuters) - Former Kazakh president Nursultan Nazarbayev was in a cardiology clinic in Astana on Friday, Russia's RIA news agency cited a source as saying.

It was not immediately clear whether Nazarbayev, 82, had been hospitalised or was having health checks. (Reporting by Olzhas Auyezov; Editing by Clarence Fernandez)