The agreement for a second summit between Donald Trump and Kim Jong Un was a "remarkable breakthrough" for peace negotiations on the Korean peninsula, President Moon Jae-in said Monday, but he acknowledged doubts remained over denuclearisation, Daily Mail reported quoting AFP.
The US President and North Korean leader are due to meet in Hanoi from February 27 to 28.
"For us, the era of peace and prosperity on the peninsula has drawn closer," said Moon in his first comments since the summit was announced.
The meeting was a "remarkable breakthrough in the peace process on the Korean peninsula", the South Korean president added.
But he acknowledged there were "still many doubts about whether the denuclearisation of the Korean peninsula and peace process can be concluded successfully".
The leaders of the two Koreas and the US have persisted in talks over the issue because of "strong confidence in the direction history should take."
But Moon expressed gratitude to both Trump and Kim for their "unprecedented, bold diplomatic efforts", saying they were "crossing a sea of deep mistrust