The city’s police department said three of the injured were in a critical condition after the incident at 800 block in the Brooklyn neighborhood of Baltimore soon after midnight, Reuters reported.
Medstar Harbor Hospital’s emergency department treated 19 patients on Sunday morning, all suffering varying degrees of injury from gunshot wounds after the incident, MedStar Health Baltimore told Reuters in an emailed response.
The police department said that at about 12:35 a.m. on Sunday officers responded to calls of a reported shooting at 800 block of Gretna Court.
Hundreds of people were gathered in the area for an event called “Brooklyn Day,” a witness told TV station Fox 45, adding that they had heard 20 to 30 shots fired.
CNN quoted Baltimore Police Acting Commissioner Richard Worley as saying there was as yet no information on suspects or a motive, but investigators were “working an extensive crime scene.”