Dozens of tornadoes are reported from thunderstorms that lit up the radar from Wisconsin to Mississippi in the early hours Saturday.

At least 26 people have been killed in a monster storm sweeping across much of the U.S. People were killed in tornadoes in Missouri and in a Kansas dust storm.

Large and destructive tornadoes are carving paths of destruction across the South for the second day in a row.

The meteorological agency said: "If you live in these areas, get to the sturdiest structure you have access to and remain in place until the storms pass." Mike Kehoe, governor of Missouri - where the 11 deaths were reported across four south-easterly counties - said the state had been "devastated by severe storms and tornadoes,