US President Donald Trump (L) meets North Korean leader Kim Jong-un in a demilitarized zone in the North Korea- South Korea border on June 30, 2019 (Photo: Xinhua/VNA)

President Trump told reporters that an agreement to end the Korean war is possible, adding that former President Barrack Obama had numerous contacts with the North Korean leader Kim Jong-un.

Mr. Trump has returned from an Asia trip, where he met with Mr. Kim last Sunday. After 1 hour behind closed door, both sides agreed to resume nuclear talks.