Authorities are investigating reports of a man using a slingshot to fling rocks at cars on a Valley freeway.
Phoenix Police and the Department of Public safety were called to SR 51 and Union Hills Drive around 4:30 p.m. Friday afternoon.
ADOT video captured video of what appears to be the suspect walking along the side of the road.
Officials say no vehicles have been hit at this time.
Stay with ABC15.com, abc15.com and ABC15 Mobile for updates.