SEOUL: The powerful sister of North Korean leader Kim Jong Un has been given a promotion in the ruling party structure during a rare party congress , state media said on Tuesday (Feb 24). The Workers' Party Central Committee on Monday named Kim Yo Jong - previously a deputy department director - as a full department director, Pyongyang's official Korean Central News Agency said. Thousands of party elites have packed the capital Pyongyang for a once-in-five-years summit of the ruling Workers'