At least six children have been killed, and a further 23 injured, after a school bus crashed, in the US state of Tennessee.
The suspect behind a shooting that killed one person at an airport in Oklahoma City has been found dead by police in his vehicle.
One police officer has been killed, another has been wounded, following a shooting in the US state of Pennsylvania.
Police in Asuza, California have said there is an “active ongoing situation” at a house in the city, following a shooting in the area.
At least one person has died, and a further three are injured, following a shooting near a polling station, in the US state of California.
A gunman has shot and killed two police officers in an apparent ambush attack, in the Des Moines area, in the US state of Iowa.
At least two people have died, after six people were shot, in the US state of Maryland.
A 16-year-old boy has been shot and wounded, and a 14-year-old arrested, following an argument outside a school, in the US state of Utah.
At least seven people have been killed, after a four bus collided with a lorry, in the US state of California.
At least 174 inmates have escaped prison, and a guard has been killed, following a mass prison break in Haiti.