At least four students were injured in a shooting Monday morning at Chardon High School in Chardon, Ohio, according to Cleveland television station WKYC.
Authorities say the alleged gunman is in custody. A spokesperson for the sheriff's office would not confirm whether the shooter is male or a student.
Some students told Fox 8 News they saw two gunmen.
FBI agent Scott Wilson said after Monday morning's shooting that there was one suspected shooter. He wouldn't discuss the extent of the students' injuries.
According to WKBN.com, police scanner traffic is reporting three victims are in critical condition and one is stable. Medical helicopters are converging on the Wal-Mart in Chardon, where a landing zone has been set up.