Updated 1:05 p.m. Friday
One suspect was arrested, and more are being sought after a shooting that left three people injured following a graduation ceremony at Skyline High School in Oakland on Thursday night, police said.
The shooting took place after the graduation had ended and many students, family and staff members had left campus, Oakland Unified School District Superintendent Kyla Johnson-Trammell said in a statement on Friday.
As the graduation was ending, two groups of people began arguing in the parking lot, a dispute that escalated to gunfire around 7:45 p.m., according to an Oakland Police Department statement on Friday.
Johnson-Trammell said school and district staffers responded immediately to “take control” of the situation until police arrived.