A school bus lays on its side after being overturned following a collision, in Wadsworth, Illinois, as pictured in this frame taken from video courtesy of www.nbcchicago.com, April 5, 2013. The bus was carrying about 25 children to an Illinois elementary school and overturned in a collision, killing at least one person in another vehicle involved in the crash, a Lake County Sheriff's spokeswoman said on Friday. REUTERS/www.nbcchicago.com/Handout ( USA-CRASH/ILLINOIS )