The meeting between the two leaders will be followed by expanded bilateral meetings and a working lunch.
Today, Sung Kim, a former US ambassador to South Korea and former nuclear negotiator with the North, will lead a US delegation for a working group with a North Korean delegation at the Ritz Carlton hotel, Sanders said.
"We are also planning a briefing by senior administration officials in the filing centre at the JW Marriott tentatively scheduled for 5pm local time," she said in the briefing note issued in Washington yesterday.
He thanked Singapore's organisation of the summit as if it was "their own family affair".
The two leaders discussed bilateral relations as well as the summit and the recent positive developments on the Korean peninsula.
Lee complimented the bold and admirable decision by Kim and Trump to come together for the Summit.
Singapore is one of the few countries that have diplomatic relations with both the US and North Korea.
The summit will be the first meeting between Trump and Kim and mark a turnaround of relations between the two leaders after a long-running exchange of furious threats and insults.
The two leaders have had an extraordinary up-and-down relationship over the past 18 months.
Some 2,500 journalists are reporting on the event, which is costing Singapore government about SGD 20 million.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)