North Korean leader Kim Jong-un arrived in Vietnam for the second round of summit with US President Donald Trump.

The second summit follows the first round of talks in 2018 in Singapore.

Ceremonial guards and flag-waving crowds welcomed him at the station, according to reports.

Likewise, US President Trump is due to arrive in Hanoi, the Vietnamese capital, on Tuesday evening.

The two leaders will meet for a one-on-one conversation on Wednesday evening, reports said. (Agencies)