FAIRFIELD, Calif. — A graduation celebration turned tragic Wednesday evening when gunfire erupted following the Sem Yeto High School graduation ceremony at Schafer Stadium on the campus of Fairfield High School, leaving one person dead and three others injured, according to authorities.

Law enforcement agencies launched an extensive search for the suspected gunman following the shooting, which occurred shortly after the ceremony had concluded and graduates, families, and guests were leaving the stadium.

According to information released by the Fairfield-Suisun Unified School District, the shooting occurred after the graduation ceremony had ended. Initial reports indicate that three individuals were shot during the incident.

Authorities confirmed that one victim died from injuries sustained in the shooting, while two others were injured and received medical treatment. Officials have not yet publicly released the identities, ages, or conditions of the victims.

Witnesses described a chaotic scene as graduates, family members, and attendees scrambled for safety after gunfire rang out near the stadium.

Preliminary reports indicate the suspected shooter was described as a juvenile male. Following the shooting, law enforcement agencies initiated an active search throughout the Fairfield area in an effort to locate and apprehend the suspect.

Officials have not released additional identifying information about the suspect, and no arrests have been announced.

The Fairfield Police Department is leading the investigation, with assistance from the Solano County Sheriff’s Office and other law enforcement agencies.

Authorities secured the area around Schafer Stadium and Fairfield High School while investigators processed the scene, collected evidence, and interviewed witnesses.

Suisun City Mayor Alma Hernandez confirmed the shooting on social media and stated that a search for the suspect was underway following the incident.

Investigators have not yet disclosed what may have led to the shooting or whether the victims and suspect knew each other.

Law enforcement officials continue to review surveillance footage, gather witness statements, and examine evidence to determine the circumstances surrounding the violence.

The Fairfield Police Department is urging anyone who witnessed the shooting or has information related to the incident to come forward.

Anyone with information is encouraged to contact the Fairfield Police Department at (707) 428-7300.

The shooting has deeply impacted students, families, educators, and community members who gathered to celebrate a significant milestone for Sem Yeto High School graduates.

As investigators continue their work, school officials and local leaders are offering support to those affected by the tragedy while seeking answers about how a celebratory event ended in deadly violence.

The investigation remains ongoing, and additional information is expected to be released as authorities continue to develop the case.