The U.S. has "credible information" that a Russian military unit in Ukraine's Donetsk region "executed Ukrainians who were attempting to surrender, rather than take them into custody," a top American official told the United Nations Wednesday.
What they're saying: "If true, this would be a violation of a core principle of the laws of war," said Beth Van Schaack, the U.S. ambassador-at-large for global criminal justice in remarks to the UN Security Council.