The UN Security Council has given permission for a North Korean official under international sanctions to travel to the Pyeongchang Winter Olympics. <br/><br/>The council's sanctions committee has granted the exemption yesterday to Choe Choe Hwi, chairman of North Korea's National Sports Guidance Committee on the request of South Korea. <br/><br/>Choe was sanctioned in June last year as a senior director of the propaganda and agitation department of North Korea's ruling Workers' Party. <br/><br/>The 23-member delegation will be led by North Korea's ceremonial head of state Kim Yong Nam and will also include Kim Yo Jong, the younger sister of North Korea's leader and a senior member of the Workers' Party.<br/><br/>North Korea is under multiple sets of UN Security Council sanctions over its banned nuclear weapons and ballistic missile programmes, which have seen it develop rockets theoretically capable of reaching the US mainland.