SYRACUSE, N.Y. -- Nine Syracuse students are being treated after pepper spray was discharged while they were on a school bus. Authorities said the students were treated for eye irritation after the incident around 7:30 a.m.

About 30 students were on the bus and were evacuated after the spray discharged. The students got on another bus that took them to the school.

Police said they have identified a nine-year-old who discharged the spray, but they don't know where he got it. No charges have been filed.