Motorcyclist Casey Southworth, 18, killed in collision involving school bus on Route 202 in Gorham, Maine
Sanborn said the motorcycle struck the bus as it was making a left hand turn from Route 202 onto Libby Avenue. The motorcycle bounced off the bus and hit the other vehicle, which had stopped behind the bus.
Investigators said Casey Southworth rear-ended the bus while it turned off Route 202 on Tuesday afternoon.
The motorcycle then hit another vehicle.