State Police say that several cars were hit by projectiles while driving on southbound I-75 in Oakland County and Detroit.
Several vehicles were struck by something on southbound I-75 between Rochester Rd. to the Davison during the 3pm hour.
Police say they have ruled out road debris, and also say there were no bullet holes or bullets found in any of the vehicles.
Police believe the incident is most likely vandalism with a pellet gun.