A shooting involving a federal agent on Wednesday morning in Willowbrook prompted a large response from local and federal authorities.
The incident occurred shortly after 7 a.m. near the intersection of 126th Street and Mona Boulevard.
A spokesperson for the Los Angeles County Sheriff's Department said the U.S. Border Patrol or Department of Homeland Security was involved in the shooting.
Whether anyone was injured in the shooting was unclear.
The circumstances that led to the shooting were unknown.