making him the first leader of North Korea to step foot in South Korea since the Korean war.
In a moment rich with symbolism and pomp, South Korean leader Moon Jae-in and Mr Kim shook hands at the border.
Mr Kim said he hoped for “frank” discussion during a warm opening exchange as talks kicked off.
The historic summit will cover nuclear weapons and a possible peace treaty.
Much of what they will talk about is likely to have been agreed in advance, but many analysts remain sceptical about the North’s sincerity in offering to give up nuclear weapons.