The death toll from historic flooding in Louisiana rose to 13 Thursday as receding waters exposed the extent of devastation in the hard-hit southern US state.
Authorities sought to learn more about a decorated ex-US Marine sergeant who killed three police officers in Baton Rouge, Louisiana, some two weeks after police there shot dead a black man.
Three police officers were shot to death and several others wounded in Baton Rouge, Louisiana on Sunday, the city's mayor said, as the country remained on edge in the wake of police shootings of black men and the killings of five Dallas officers.
Dallas police were in a standoff with a suspect on Friday after snipers killed five officers and wounded six, one of the worst mass police shootings in recent US history, during protests against the killing of two black men by police this week.
