Kim Yong Chol, vice-chairman of the North Korean ruling Workers' Party's Central Committee, will lead a high-level delegation to the closing ceremony of the Winter Olympics in Pyeongchang on Sunday. The delegation is also scheduled to meet with President Moon Jae-in. Kim Yong Chol was previously the head of the Reconnaissance General Bureau, a major North Korean military intelligence agency that South Korea accused of being responsible for the 2010 sinking of the Cheonan, a South Korean navy corvette. Despite these past actions, North Korea has denied any involvement. The South Korean Unification Ministry expressed a focus on the potential for peace on the Korean peninsula and improved inter-Korean relations through dialogue with the visiting North Korean officials, rather than dwelling on their past actions or identities. Kim's upcoming visit will coincide with the arrival of Ivanka Trump in South Korea to attend a dinner with Moon and the Winter Olympics' closing ceremony. The Blue House has stated that there are no official opportunities for U.S. and North Korean officials to meet. South Korea's decision to allow Kim, who is currently sanctioned by the United States and South Korea, to cross the border has sparked protests from family members of the dead Cheonan sailors and opposition parties. The main opposition Liberty Korea Party staged a protest in front of the presidential Blue House, demanding the government withdraw its decision, stating that President Moon's acceptance of North Korea's peace efforts is a serious issue that will be remembered as a historical crime. A group of family members of the victims of the Cheonan sinking has announced that they will hold a press conference to express their opposition to the decision on Saturday. Despite public concerns about Kim's upcoming visit, South Korea maintains its position that the Cheonan sinking was caused by North Korea. The focus, however, is on working towards lasting peace on the Korean peninsula to prevent similar incidents from happening in the future. North Korean leader Kim Jong Un has expressed a desire to improve relations with South Korea following the Winter Olympics, while the United States emphasizes the need to increase pressure on North Korea to abandon its nuclear weapons program. Last year, North Korea defied UN sanctions by conducting multiple missile launches and its largest nuclear test to date. It has been over two months since the last missile test took place in late November.