The United Kingdom, France and Germany have agreed to restore tough U.N. sanctions on Iran by the end of August if there has been no concrete progress on a nuclear deal.

Senators questioned ex-Trump national security adviser Michael Waltz at confirmation hearing about a Signal chat that contained sensitive information.

The United Nations needs reform and the United States must have a strong voice to counter China, Mike Waltz, U.S. President Donald Trump's pick to be his U.N. envoy, said on Tuesday, adding that he is "confident we can make the U.

The U.N. Security Council has authorized continued reporting on attacks on ships in the Red Sea by Yemen’s Houthi rebels, who have defied its previous demands to immediately halt all such attacks.

LONDON — More than 14 million children did not receive a single vaccine last year — about the same number as the year before — according to U.N. health officials. Nine countries accounted for more than half of those unprotected children.