Photo: WMCTV viewer photo
A major explosion rocked a Valero refinery in Memphis early this morning sending two fire departments to bring it under control.According to WMCTV, the explosion occurred about 7:30 a.m. and required a level one response from local emergency workers.
The cause of the explosion has yet to be determined and the blaze was brought under control about 30 minutes after it began.
Local workers said they felt the blast up to three miles away.
NOW WATCH: Briefing videos
Business Insider Emails & Alerts
Site highlights each day to your inbox.