The first weekend of June had a greater number of mass shooting deaths in the United States than the previous three-day weekend, which ended with Memorial Day.
The tally for weekend violence through Sunday night was at least 12 killed and at least 38 injured in mass shootings, defined by the Gun Violence Archive as an incident in which “four or more people are shot or killed, not including the shooter.”
During the holiday weekend nine were killed and more than 60 were injured in attacks fitting that definition.

As Americans debate the possibility of new gun regulations in the wake of the horrific Uvalde school attack, gun violence seemed to continue unabated with the official start of summer, June 21, and its hottest nights still ahead.
and in Chattanooga, Tennessee, which saw its second weekend in a row of mass-shooter violence, this time with two dead and 12 others injured from gunfire.
Other attacks included:
A 32-year-old woman struck by gunfire died Sunday morning, it said.
“There were at least 60 to 70 rounds fired at this incident,” it said. “It is not clear, as of yet, if some of these rounds may have been return fire from some of the subjects at the party.”
In Saginaw, Michigan, early Sunday, a shooting killed three people, including two men at the scene and a woman who was hospitalized but did not survive, according to NBC affiliate WEYI of Saginaw.
In Mesa, Arizona, early Sunday, two people were killed and two others were injured in a shooting at a nightclub, NBC affiliate KPNX of Phoenix reported.
The injured, also at the venue, were hospitalized with non-life-threatening injuries, authorities told KPNX.
Origins of the attack were under investigation.
About 100 people were at the party inside a strip mall building in the area of 10th Avenue and Hatcher Road, Phoenix police said.
The shooting took place inside the building, in the nearby parking lot and the roadway area, police said in a news release. When officers arrived, they found attendees fleeing in different directions from the parking lot and multiple victims at the scene and nearby.
Two other adult women sustained life-threatening gunshot wounds; five men sustained non-life-threatening gunshot wounds; and one teenage boy suffered a non-life-threatening gunshot wound.