Gunfire brought panic to a shopping center in Twin Falls in what the authorities described as a chaotic scene. At least three people were killed.

The amount is still far below what the U.S. spent previously on humanitarian and health aid, but resumes the flow of money for key efforts to fight malnutrition and disease.

At a national summit of the Democratic Socialists of America, nervous energy and a sprawling tableau of sometimes-competing interests were on display.