At least 28 people have been injured, some seriously, after a vehicle was driven into a Mardi Gras parade in the US city of New Orleans.
Three police officers have reportedly been shot, and are feared dead, in Baton Rouge, in the US state of Louisiana.
At least five police officers have been killed, and a further six wounded, after being targeted by sniper fire, at a protest, in the US city of Dallas.
A man has been charged with the murder of American football player Will Smith, after a shooting in New Orleans, in the US state of Louisiana.
A policeman has been shot dead, and three women stabbed, by an attacker, in the state of Louisiana, United States.
A Louisiana trooper has died, after being shot in the head by a man, with a sawed-off shotgun, during a traffic stop.
At least two people have been killed, and a further seven wounded, after a lone gunman opened fire inside a crowded movie theatre in Lafayette, Louisiana.
Law enforcement officers have shot a man who attacked TSA agents with a knife at a New Orleans airport, authorities have said.
At least two people have died after a gunman opened fire near a popular all-female Mardi Gras celebration, New Orleans police have said.