Turning to diplomacy after flexing military muscle, the U.S. will urge the U.N. Security Council to increase economic pressure on North Korea over its nuclear weapons program.
The International Court of Justice on Wednesday rejected Ukraine's request for measures aimed at blocking Russian support for rebels in eastern Ukraine.
The United States, Britain, France and other major powers protested on Monday as the United Nations began work on what backers said would be a binding prohibition on nuclear weapons.
Five months of multi-sided clashes in Syria's crowded northern battlefield have displaced some 66,000 people, a U.N. humanitarian agency said Sunday.
Syria's opposing sides met face-to-face for the first time in U.N. mediation in three years on Thursday, with the U.N. envoy citing a historic chance to end a conflict that has left hundreds of thousands dead.
UN: The Islamic State extremist group is militarily on the defensive in Afghanistan, Iraq, Libya and Syria but is starting to adapt.
U.S. Ambassador Nikki Haley condemned Russia's "aggressive actions" in eastern Ukraine on Thursday and warned Moscow that U.S. sanctions imposed after its annexation of Crimea will remain until the peninsula is returned to Ukraine.
The fallout continues over the United States refusal to veto a U.N. Security Council resolution critical of Israel over its construction of Jewish settlements in the West Bank.
The Latest on developments in the civil war in Syria where a cease-fire deal is back on and evacuations of civilians and rebels resume.