Washington (CNN) President Donald Trump said Wednesday that he still believes North Korea "would like to make a deal" and left the door open for a third summit with Kim Jong Un despite a new warning from Pyongyang urging the US to change the course of its negotiations "before it is too late."

"I think they would like to make a deal and we would like to make a deal," Trump told reporters during his visit to Ireland, adding that he looks forward to seeing Kim "at the appropriate time."

The US President also appeared to once again downplay the significance of North Korea's most recent short-range ballistic missile test despite his national security adviser and acting defense secretary saying that last month's launches violated UN resolutions.

Asked about the North Korean missile launches last month, State Department spokewoman Morgan Ortagus said that she believed "the entire North Korean WMD program, it's in conflict with the UN security resolutions."

Trump said, "It has been going pretty well because there hasn't been testing of anything major and there has been no nuclear testing," adding: "When I became president, and before that, it was all the time nuclear testing, ballistic missile testing and now there is nothing."

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