At least 12 fatalities have been reported in Missouri, according to the Missouri State Emergency Management Agency. The deaths come as a massive storm system moving across the country unleashed winds that damaged buildings, whipped up deadly dust storms and fanned more than 100 wildfires.

At least three people have died as a powerful system of storms sweeps across a wide swathe of the central and southern of the United States, with another three killed in vehicle crashes as blinding winds whipped through Texas and Oklahoma.