CNN —Investigators are working to determine who is responsible for a massive fire over the weekend that has forced the indefinite closure of part of Los Angeles’ Interstate 10, as fire officials say the blaze was likely arson. Residents who are impacted have been urged to take public transit, work from home or plan for significant traffic delays. Investigators have sifted through the fire’s rubble in search of evidence and are working with Los Angeles firefighters to canvass the surrounding neighborhoods for potential witnesses and video footage, the fire marshal added. Firefighters responded to reports of the fire around 12:30 a.m. Saturday at a storage yard scattered with pallets, trailers and vehicles, according to the Los Angeles Fire Department. About 100 columns beneath the bridge were impacted by fire and are being inspected, according to transportation department director Tony Tavares.

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Persons: Karen Bass, “, Daniel Berlant, Berlant, Gavin Newsom, Newsom, ”, ” Bass, ” Newsom, Kristin Crowley, Jae C, ” John Yang, Yang, Tony Tavares, Transportation Toks Omishakin, ” Yang Organizations: CNN —, ”, “, Firefighters, Los Angeles Fire Department, California Department of Transportation, Transportation, Apex Development, CNN Locations: Los Angeles, City, Los Angeles County, California