The missing cache includes torahs and tapestries.
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.
An LGBT advocacy group presented the council with gruesome photos of Islamic State throwing men from buildings.
Russia abstained from the United Nations Security Council vote.
Libya's current competing governments are backed by militia brigades and scrambling for control.
The United States told the United Nations Security Council on Wednesday there needs to be greater international pressure on Russia to abide by a ceasefire in Ukraine, as Russia denied it was a threat to its neighbor.
In a tremendous upset, Turkey lost a contest in the General Assembly, exposing increasingly contentious frictions with some of its neighbors and world powers.