North Korean leader Kim Jong-un has departed for Hanoi by train for his second summit with US President Donald Trump.
According to the North's official Korean Central News Agency, Kim is accompanied by Kim Yong Chol and his sister Kim Yo Jong.
The second US-North Korea summit is scheduled for Wednesday and Thursday in the Vietnamese capital.
The two leaders are expected to focus on North Korea's denuclearisation plan, in exchange for US concessions.