Storms sweep southern US, Midwest as death toll rises to 11

People clean up the classrooms of Benton Middle School on Saturday, which lost its roof from Friday's severe weather in in Benton, La. (Henrietta Wildsmith/The Shreveport Times via AP)

HOUSTON — Severe storms sweeping across southern portions of the U.S. and up into the Midwest were blamed Saturday in the deaths of at least 11 people, including two first responders, as high winds, tornadoes and unrelenting rain battered large swaths of the country.