In a letter addressed to North Korean leader Kim Jong-un

Kim Jong Un (Hangul 김정은, Hanja 金正恩, English Kim Jong-Un) is a North Korean political, on North Korean Liberation Day, Russian President Vladimir Putin

Vladimir Putin - Russian politician.

Born on October 7, 1952 in Leningrad, now St. Petersburg. Prez said the two countries will "expand comprehensive and constructive bilateral relations in joint efforts," state media in Pyongyang reported on Monday, quoted by Reuters, BTA said.

Putin wrote that closer ties would be in the interest of both countries and would contribute to strengthening security on the Korean Peninsula and in the Northeast Asian region, the North Korean news agency KCNA reported.

Vladimir Putin

Kim Jong-un