Tokyo, May 26 -- : United States President Donald Trump on Sunday said he was not "disturbed" by the short-range missile tests recently conducted by North Korea, unlike "his people and others".

"North Korea fired off some small weapons, which disturbed some of my people, and others, but not me. I have confidence that Chairman Kim will keep his promise to me, and also smiled when he called Swampman Joe Bidan a low IQ individual, and worse. Perhaps that's sending me a signal?" the president wrote on Twitter.

The remarks made by Trump, who is on a four-day state visit to Japan, came as a major blow ahead of his meetings with Japanese Prime Minister Shinzo Abe, which are set to begin in a few hours.

The Japanese government has said that Nort...