UN members should not be unduly intimidated by what the US says and its “bullying” tactics over the vote on a Jerusalem resolution, says former UN Director of Communications Edward Mortimer.

U.S. Ambassador to the United Nations Nikki Haley said on Wednesday that North Korea's actions were "quickly closing off the possibility of a diplomatic solution"

The former South Carolina governor made her first remarks at UN headquarters before presenting her diplomatic credentials to Guterres.

On Wednesday he is to attend a gala dinner with both Obama and Ban, as well as join a meeting that the two leaders will have with ASEAN heads of state and government.