The incident came after a day where a female student Nieyara Ashraf was slaughtered by her colleague over a marriage proposal in Egypt.
President Biden said in a statement he was "deeply disappointed” by the Supreme Court ruling, which he said "contradicts both common sense and the Constitution, and should deeply trouble us all.”
Gun violence in the United States has been under scrutiny after last month's massacres at an elementary school in Uvalde, Texas — which left 19 children and two teachers dead — and a supermarket in Buffalo, New York — which killed 10 people.
Police Inspector D. F. Pace said during a news conference that shots were fired into the downtown crowd and an officer shot at a suspect. It is unclear if the suspect was hit.
Two people died from gunshot wounds and one person died after being hit by a vehicle, Murphy said. Sixteen of the victims were adults and one was a juvenile and several remained in critical condition, she said.
In a horrific massacre in Egypt on Monday, a young man shot his entire family members, including killing his father and 4 brothers. The young man's mother was also injured during the incident.
More than 124 people were killed and 325 wounded in 300-plus shootings documented in the United States since Friday, according to GunViolenceArchive.org, a Washington D.C. non-profit that tracks shootings.
The gunman, identified as Justin William Flores, was shot and killed at the scene. His wife told KCBS-TV that he had attacked her two days ago and she had moved into the motel to escape him but he tracked her down.
Church members were spared further violence Thursday evening when one of them rushed the gunman, struck him with a chair and held him until police arrived, a former pastor said.