The government of St. Louis County extended for at least 24 hours a state of emergency in Ferguson, Missouri, which has been the scene of protests a year after an unarmed black teenager was killed by a white police officer.
A University of Cincinnati police officer was indicted on Wednesday on murder charges in the fatal shooting last week of an unarmed black motorist who was stopped because of a missing front license plate.
A white man was arrested on Thursday on suspicions he killed nine people at a historic African-American church in South Carolina after sitting with them for an hour of Bible study in an attack U.S. officials are investigating as a hate crime.