SINGAPORE, North Korean leader Kim Jong-un and U.S. President Donald Trump will sign an agreement to maintain the momentum of their Singapore summit, a news report said Tuesday.

They are set to ink the document "acknowledging the progress of the summit and (pledging) to keep momentum going," according to an unnamed U.S. official quoted by CNN.

Trump told reporters that "a lot of progress" was made in his "really fantastic" talks with Kim.

Source: Yonhap News Agency