The U.S. ambassador to the U.N., Nikki Haley, said the “world is on notice” after North Korea’s latest missile test.
North Korea has been under U.N. sanctions for a decade.
Kiev’s representative has invited Ban Ki-moon to send an assessment mission.
The move was "clear violation" of a U.N. Security Council ban on ballistic missile tests, a senior U.S. official said.
Body needs to better reflect world's distribution of power, German leader says.