The Washington shooting was the latest in a string of mass shootings over a violent July Fourth weekend.
Thirty people were shot, two fatally, at a block party in Baltimore early Sunday. Many of the shooting victims were children, authorities said.
On Monday night, a shooter in a bulletproof vest opened fire on the streets of Philadelphia, killing five people and wounding two boys, ages 2 and 13, before he surrendered, police said.
Three people were killed and eight others were injured when several men fired indiscriminately into a crowd of hundreds that had gathered in a Texas neighborhood following a festival in the area, authorities said. The shooting in the Fort Worth neighborhood of Como happened late Monday night, about two hours after the annual ComoFest ended.
And in Florida, a 7-year-old child was killed in a shooting during an altercation between two groups gathered for July Fourth celebrations along a causeway that crosses Tampa Bay, police said. A man also was hit with gunfire but was expected to survive. The child was pronounced dead at a hospital.
This story has been corrected to show 30 people, not 28, were shot in Baltimore.
This story has been corrected to update the age of the youngest victim of Washington, D.C.’s shooting. The victim was 10 years old, not 9.