In this photo provided by the Korean Central News Agency (KCNA) on Feb. 24, 2019, Kim Jong Un, top leader of the Democratic People's Republic of Korea (DPRK), waves to senior officials who have come to see him off at Pyongyang Railway Station in Pyongyang, DPRK. Kim Jong Un left here Saturday afternoon by train for Vietnamese capital Hanoi for the second DPRK-U.S. summit, the official Korean Central News Agency (KCNA) reported Sunday. Kim will meet with U.S. President Donald Trump there on Feb. 27-28. Their first meeting was held in June 2018 in Singapore, which resulted in improved bilateral relations. Kim will pay an official visit to Vietnam at the invitation of Vietnamese President Nguyen Phu Trong before his meeting with Trump. (Xinhua/KCNA)