- Chemical leak from Perris rail car poses ‘critical’ explosion risk Los Angeles Times
- Southern California chemical leak: Riverside County homes evacuated USA TODAY
- Perris chemical leak: Authorities report concerns of possible explosion after styrene leaks from rail car in Riverside County KABC-TV
- Chemical leak from rail car in Perris closes 215 Freeway, forces evacuations CBS Los Angeles
- Chemical leak shuts down California freeway, prompting evacuations The Hill
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