Police and fire officials responded to reports of shots fired at the Long Beach Federal Building.
An Immigration and Customs Enforcement opened fire on two other agents on the seventh floor of the Long Beach Federal Building Thursday afternoon. ABC7 reports. The suspected shooter is dead, and one of the agents has been hospitalized.
The shooting took place shortly before 6 p.m., NBC L.A. reports, on the 500 block of West Ocean Boulevard.
The Los Angeles Times reports that the shooting followed a dispute between an agent and his superior. Another agent apparently attempted to subdue the shooter, leading to a second round of shooting.
More than a dozen police vehicles and at least two fire trucks were outside the building, according to NBC L.A.
The condition of the surviving agent was not immediately known, although he appears to have been wounded in the upper body.
Police and firefighters were not immediately available to provide more information.
Correction: Previous versions of this post indicated two people died in the shooting.