Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

A dangerous tornado outbreak which started on Friday evening continued into the first half of the weekend with nearly 2 dozen deaths across the nation's heartland and South.

Residents pounded by unusually vicious weather across parts of the U.S. surveyed damage Sunday from violent tornadoes, high winds and blinding dust storms that decimated homes and other structures and left at least 35 people dead.