(FILES) In a file photo taken on July 26, 2013 North Korean leader Kim Jong Un (C) stands beside Workers Party of Korea (WPK) politburo standing committee member Choe Ryong Hae (L) prior to an mass games display at the Rungnado May Day Stadium in Pyongyang. Pyongyang has replaced its nominal head of state, a role in charge of representing Pyongyang in international engagements, the North's state media reported April 12. Kim Yong Nam, who had been holding the position for almost 20 years, was replaced by Choe Ryong Hae during the first session of the 14th Supreme People's Assembly, KCNA said.
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 / AFP / Ed JONES
(FILES) In a file photo taken on July 26, 2013 North Korean leader Kim Jong-un with Choe Ryong Hae during a mass games display in 2013. AFP

North Korea appoints Choe Ryong Hae as president