In North Carolina, the shooting occurred at a party, and in Maryland, the victims were found on the street and in a car.
In two American states on the night of Saturday, April 3, there were two shootings, in which six people were killed.
So, in the city of Wilmington (North Carolina), three people were killed, four more were injured when shooting at a party, reports NBC.
"There was a party going on in the house. At least seven people inside received gunshot wounds, three died," said the head of the local police Donny Williams.
The reasons for the incident and the identity of the suspect are being established.
The deaths of three people were also reported by police in Prince George's County, Maryland.
"While on patrol, officers heard gunshots ... Officers began checking the area and found three adults вЂ“ two men in the car and one woman next to the car with gunshot wounds. All of them died on the spot, " the police said in a statement on Twitter.
Law enforcement officers are working to establish the identity of the shooter or a group of persons involved, as well as the motives for the crime.
Recall, the day before in Washington, an unknown person tried to ram a car through the Capitol fence. There was a shooting in which at least three people were injured. As a result of the incident, the attacker himself was killed, as well as a police officer.