MOSCOW, March 20 (Reuters) - Ukraine's state gas company Naftogaz said on Friday that it had paid $15 million to Russia's Gazprom for March gas supplies, Naftogaz said on Friday.
This follows also a $15-million pre-payment the company sent on March 17.
(Reporting by Lidia Kelly and Pavel Polityuk; editing by Katya Golubkova)