Authorities arrested a 15-year-old boy after a shooting that wounded 12 people near Florida A&M University following its homecoming game. Anthony Rivers III was taken into custody Sunday and now faces 11 counts of attempted second-degree murder along with possessing a firearm as a delinquent.

Six adults and six minors were hurt at a Saturday party near the Tallahassee campus, 11 of them by gunshots, after a clash between groups who already knew one another. He appeared in juvenile court Monday without restraints, said nothing, and was ordered held in locked detention until arraignment. State law bars anyone younger than 21 from buying a gun.