Washington: President Donald Trump said he would meet with North Korean leader Kim Jong-un if the circumstances were right.

"If it would be appropriate for me to meet with him, I would absolutely, I would be honoured to do it," Trump said on Monday in an interview with Bloomberg News. "If it's under the, again, under the right circumstances. But I would do that."

North Korea has become the most urgent national security threat and foreign policy issue facing Trump as his first 100 days in office passed.

Kim's regime has continued development of its nuclear and intercontinental ballistic missile program in defiance of international condemnation and sanctions. Kim has never met with a foreign leader since taking charge after his father's death in 2011 and hasn't left his isolated country.