Add Yahoo as a preferred source to see more of our stories on Google. A massive explosion at the Valero refinery in Port Arthur prompted a shelter-in-place. Officials say no injuries were reported.

Two employees were injured Tuesday morning after an explosion at an Illinois chemical plant triggered a large hazmat response and prompted a temporary shelter-in-place order for nearby workers.

PORT ARTHUR, Texas -- An investigation is underway after an explosion occurred at a Valero facility in Port Arthur on Monday evening, according to the Port Arthur Police Department. Port Arthur police ...