Officer charged with George Floyd’s death as protests flare

A protester carries a U.S. flag upside down, a sign of distress, next to a burning building Thursday in Minneapolis. (AP Photo/Julio Cortez)

MINNEAPOLIS — The white Minneapolis police officer who pressed his knee into George Floyd’s neck as he begged for air was arrested Friday and charged with murder, as authorities imposed overnight curfews to try to stem violent protests over police killings of African Americans that have spread to cities across the country.