Amherst Police say they arrested five individuals after multiple cars crashes on Saturday night.
Officers attended the reports involving a suspicious truck at a shopping center on Niagara Falls Boulevard around 9:30.
Police say a short time later, that truck struck two cars on north bailey avenue.
The crew brought a 63-year-old Tonawanda resident in the first car and admitted him to Erie County Medical Center. He was seriously injured.
A 38 and 19-year-old, in the second car hit, were also admitted to the hospital.
Police now say the truck, was stolen.
The identities of the five arrested individuals have not been released.
The incident is being investigated.