Newspapers and television are focussing on the constructive dialogue between the two leaders.
"I really believe something very bad happened to him and I don't think that the top leadership knew about it," said Trump.
A final hitch accompanied Donald Trump's misfiring summit in Vietnam
Vietnamese people have been caught up in the excitement of the summit between US President Donald Trump and North Korean leader Kim Jong-un and were out and about on Wednesday hoping for a glimpse of the two leaders.
Kim and Trump will meet for the second time this week after their historic meeting in Singapore last year led to general commitments to improve relations and denuclearise the Korean peninsula, but no concrete agreements.