MOUNT PLEASANT, Wis. (CBS 58) -- Police say three people were injured in an accident caused by an impaired driver Wednesday, March 10.

Mount Pleasant police responded to the intersection of State Highway 11/Durand Avenue and Meachem Road around 2:48 p.m. due to a four vehicle crash.

Officers located three vehicles involved in the incident, along with a Racine city bus.

An investigation revealed that a pickup truck struck another vehicle, causing it to crash into the bus, which was stopped northbound on Meachem. The pickup then continued eastbound, where it struck another vehicle. 

All of the injuries are said to be non-life threatening. 

The operator of the pickup was identified as a 61-year-old Racine man who police say showed signs of impairment and was arrested for OWI causing injuries. Authorities say it was his third offense for operating while intoxicated.

The accident remains under investigation.