Just before 5pm Friday, Liverpool was alerted for a vehicle rollover on eastbound I90 at MM 282. Addition calls were received advising people possible ejected from the vehicle down on the side of the road. Car 1(Chief Loucks) arrived and confirmed a single vehicle roll over with at least one confirmed ejection. Car 4 (D/C Laakso) arrived assuming the operations chief, relaying they had 5 patients all ALS criteria. Eaves Ambulance arrived taking medical command and started to triage the patients. Rescue 1(FF Harter), Engine 2(Capt. Ambrose) and Squad 2(FF Stolusky) arrived and quickly went to work stabilizing the vehicle and packaging the patient. A total of 5 ambulances was requested to transport the patients creating a MCI. All patients were transported and FD units cleared within an hour.