Trump: top in Singapore one-time chance Kim

The summit in Singapore is a one-off opportunity for those in power in North Korea to achieve something big for their country.

Trump said he will know in Singapore within a minute whether the summit will be a success. 'And if that does not happen, I will not waste my time. And I do not want to waste his time, 'the president said about Kim. Trump also said that he is leaving for Singapore confidently.

It is the first time on Tuesday that two seated leaders from the US and North Korea meet. Trump emphasized earlier that the North Koreans have to give up their nuclear weapons.