Birmingham police are investigating reports of objects either falling or being thrown off of Birmingham overpasses, and investigators have stepped up patrols in hopes of catching the culprits.
Police have received at least six formal reports.
Most of the damage to cars happened along Red Mountain Expressway at the Highland Avenue overpass, but other incidents have been reported near the Interstate 65 interchange and along Interstate 20/59 at 31st Street North.
Detectives have not located any of the objects, but damage ranges from dents to broken windshields.
If you have any information, contact Crime Stoppers at 205-254-7777.