The US envoy for North Korea has returned from Pyongyang.
Stephen Biegun had was there to hold talks in preparation for a second US-North Korean leadership summit.
After three days in discussions, US officials said Biegun would meet his counterpart again soon.
US President Donald Trump recently confirmed that he would meet North Korea's Kim Jong-un in Vietnam, on 27-28 February.

Britain working with allies to support shipping through Strait of Hormuz
Five Iranian women's soccer players granted humanitarian visas in Australia
Almost 700,000 displaced after Israeli strikes on Lebanon, UN agencies say
Iran fighting back but not stronger than U.S. thought, top U.S. general says
