He said this during live Q&A conference when answering a question allegedly from a caller from Kyiv, Censor.NET reports.
"I believe he is a Ukrainian nationalist. He doesn't like this definition. He believes he is an enlightened patriot of Ukraine. It's not a secret that his father was an active participant of OUN [Organization of Ukrainian Nationalists that was active during WWII - ed.]. He was convicted by Soviet court, imprisoned and sent into exile," Putin said.