This is what I have heard it is located near Marne in Ottawa County. A charter bus has rolled over with approx 40 pts on board. At this time command is reporting 15 pri-3's and 1 pri-2. I am not hearing any reports of an entrrapment. Numerous police and EMS agencies are en route or on scene, and the freeway is being closed both directions. Several FD's are o/s assisting w/ lighting and rescue.