U.S. President Donald Trump sternly warned North Korea that Washington “will not be intimidated” as he wrapped up a visit to South Korea with a speech to the National Assembly in Seoul. According to Reuters, he urged countries around the world to join together to isolate Pyongyang by denying it “any form of support, supply or acceptance”. He said, “The world cannot tolerate the menace of a rogue regime that threatens it with nuclear devastation.