A total of 18 people, including male and female victims, were shot and treated at various hospitals.
The death prompted an outpouring of sympathy from other parade participants.
The woman, who hasn't been identified, appeared to have tried to cross in between a tandem float when she tripped over its hitch and was run over.
People rushed to get through a doorway after a shooting inside a bar in Hartsville.
Two killed while walking in a lane of U.S. 24 near Turtle Creek State Park.
The shooting happened shortly after midnight following a party at Thelma's Down Home Cooking.
Multiple people opened fire outside a McDonald's in the busiest part of downtown Seattle during the evening commute.
A woman arrested on suspicion of killing her three young children told investigators that she suffocated her son and two daughters with her hands, police said in court records.
EMS personnel play an important role in the care of TBI.
Philadelphia police are bringing trauma victims to the hospital when no paramedics are nearby -- and they say it is working when every minute works.