Warning from North Korea to the US: If a compromise cannot be reached & diplomacy crumbles, Pyongyang could resume “nuclear and missile activities,” sources tell CNN. As @joshrogin first reported, a letter from NK prompted Pres Trump to cancel Sec Pompeo’s 4th trip to Pyongyang. pic.twitter.com/SaqD9kkKR7

— Will Ripley (@willripleyCNN) August 28, 2018