Eleven teenagers were wounded in a shooting at Carolyn Crayton Park in Macon, Georgia, shortly after midnight.
The victims included four 18-year-old men, two 18-year-old women, and five 17-year-old boys.
Two victims were in critical condition, while the other nine were reported to be stable.
Authorities said the shooting followed an argument between two groups attending a birthday gathering at the park, CBS News has reported.
No arrests had been made at the time of the report, and the FBI was assisting local investigators.
