Satellite imagery shows deadly storm developing over Southern US

Satellite footage recorded over the southern United States shows the development of a deadly weather system through the weekend. A deadly tornado killed at least 25 people in Mississippi, officials said, after a powerful tornado with a preliminary EF-4 rating touched down on Friday night. Officials in neighboring Alabama told ABC News that one person died after being injured in the storm. Mississippi Governor Tate Reeves declared a state of emergency for counties impacted by the severe storms. Credit: @CIRA_CSU via Storyful