US, North Korea offer dueling accounts of talks breakdown

U.S. President Donald Trump and North Korean leader Kim Jong Un take a walk after their first meeting at the Sofitel Legend Metropole Hanoi hotel, Thursday, Feb. 28, 2019, in Hanoi. (AP Photo/Evan Vucci)

HANOI, Vietnam — In open dispute, the U.S. and North Korea offered contradictory accounts Thursday of why the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un broke down, though both pointed to punishing American sanctions as a sticking point in the high-stakes nuclear negotiation.