U.S. Secretary of State Rex Tillerson on Friday said North Korean leader’s Kim Jong Un’s change in attitude towards negotiations was dramatic and took Washington partially by surprise.

Speaking at a press conference in Djibouti City during a diplomatic tour in Africa, Tillerson added that Kim had shown a “strong desire” for talks.

“I think it was really – what changed was his posture in a fairly dramatic way that, in all honesty, was a – came as a little bit of a surprise to us as well that he was so forward-leaning in his conversations with the delegation from South