US
Both sides met in Singapore on June 12 for talks aimed at ending tense nuclear standoff
It was the first-ever meeting between sitting leaders of the two countries and was closely watched around the world
Trump is optimistic about prospects for first-ever meeting of sitting US and North Korean leaders
Young leader staying under heavy guard at city centre hotel
Trump and Kim will hold a one-on-one meeting on Tuesday that could last up to two hours
Security during the course of the summit is expected to be ultra-tight
The summit venue, roads and hotels in Singapore will be secured by the Gurkha Contingent of the Singaporean police
Authorities have also restricted the use of airspace, to facilitate the summit
All aircraft arriving into Singapore will be required to reduce speed and face some restrictions on runway use
Offer comes after a media report stated that the North is too cash strapped to pay for a large delegation