MILWAUKEE (CBS 58) -- Milwaukee police are investigating an accident where a speeding vehicle crashed into another car, causing the car to crash into a building, roll over and strike a tree near 68th and Capitol around 1:10 p.m. Saturday, Aug. 29. 

According to officials, a 19-year-old Milwaukee man was driving the striking vehicle at the time of the accident. He sustained serious injuries and is currently in stable condition.

An additional occupant of the striking vehicle, a 17-year-old Milwaukee boy, also sustained serious injuries and is currently in critical condition.

The driver of the other vehicle, a 73-year-old Milwaukee man, had minor injuries and refused medical treatment.

Police are seeking additional occupants of the striking vehicle that fled the scene. 

Anyone with any information is asked to contact Milwaukee Police at (414) 935-7360 or Crime Stoppers at (414) 224-TIPS or P3 Tips App.