Overview

• The derailment occurred Thursday morning at or near 17225 Arenth Ave within Union Pacific’s yard in the City of Industry.
• Agencies gave conflicting counts, with the county fire department citing 15 cars off the tracks and Union Pacific reporting four.
• Reported times also differed across agencies, ranging from about 7:00 a.m. to just before 8:00 a.m.
• Cleanup is underway as investigators work to determine the cause, and authorities said neither train nor road traffic was affected.
• Intermodal containers spilled onto the ground and firefighters said downed power poles were found at the site.