An "outbreak" of tornadoes and severe thunderstorms is expected through Saturday night in Alabama, Mississippi, Louisiana, and other southern states.

A powerful storm system roared across the Midwest and South Friday night, unleashing a series of tornadoes that carved paths of destruction and left at least three dead in Missouri.

At least 10 people have died in Missouri after tornadoes ripped through across the central and southern part of the US, authorities said. The state's governor has warned of more severe weather, including tornadoes on Saturday. The state emergency management service has confirmed widespread damage across the region.