An incident at Exxon Mobil’s refinery is under investigation after a 300-ton crane collapsed.

Three workers suffered minor injuries Monday morning, when a crane moving debris fell down. 27 Torrance firefighters responded to the refinery to hose down flammable vapors. Battalion Chief Bob Millea, says there was no off site impact to the community. Within two hours, the incident was considered stable. Exxon released this statement today, “we will conduct a thorough investigation of the cause of this event, and we apologize for any inconvenience this incident may have caused nearby residents”. Even though flaring occurred for a short period, Torrance fire officials say air quality was never a concern. The incident and subsequent flaring at the refinery prompted a Torrance Alerts notification. If you haven’t registered to receive these Torrance Alerts, its simple and free to sign up. Authorities say registering for the system should be part of your personal emergency preparedness plan.