An Oxnard police officer was conducting a traffic stop when he heard an explosion nearby. The officer located a fire at a storage unit location.
The Oxnard Fire Department responded, extinguished the fire and cleared the area of safety issues. Several storage units were damaged.
Several people sustained "very minor" fire-related injuries, according to police.
The cause of the fire was under investigation. During the investigation, firefighters and officers discovered a substantial legal marijuana cultivation system.
It was not immediately clear in which unit the explosion occurred.
Oxnard Code Compliance personnel investigated the building for code violations.