It was the largest of several caused by the powerful storm systems sweeping central and southern America.
In Oklahoma, some 70 homes were destroyed, leaving one dead and 25 injured. The extreme weather claimed its first victim – a child – on Sunday morning.
National Weather Service officials believe the storms are America’s strongest this year. More were expected yesterday.
President Barack Obama promised victims: “Your country will be there to help you recover and rebuild, as long as it takes.”