US remains committed to diplomacy despite North Korea’s nuclear escalation   

North Korean leader Kim Jong Un visits the Kim Il Sung Military University in Pyongyang to mark the 92nd anniversary of the founding of North Korea's army, April 25, 2024. (Korean Central News Agency photo via AFP)

The U.S. says it has been trying to engage North Korea by sending messages repeatedly despite Pyongyang’s apparent lack of interest in dialogue and its escalation of threats in the region.