Chattanooga police are responding to a report of shots fired on East Brainerd Road at Interstate 75 Friday night.

A witness said two white males riding motorcycles had an altercation with another motorist and fired six shots at the motorist's vehicle. At least one shot hit the vehicle, the witness told police.

The call came in at 8:50 p.m., dispatchers said.

The suspects were last seen headed toward Gunbarrel Road.