Singaporean Prime Minister Lee Hsien Loong (R) meets with Kim Jong Un, chairman of the Workers' Party of Korea (WPK) and chairman of the State Affairs Commission of the Democratic People's Republic of Korea (DPRK), in Singapore, on June 10, 2018. (Xinhua/Then Chih Wey)
Singaporean Prime Minister Lee Hsien Loong (R) shakes hands with Kim Jong Un, chairman of the Workers' Party of Korea (WPK) and chairman of the State Affairs Commission of the Democratic People's Republic of Korea (DPRK), in Singapore, on June 10, 2018. (Xinhua/Then Chih Wey)