BROOKFIELD, Wis. (CBS 58) -- Law enforcement officials say I-94 was shut down Wednesday afternoon, Jan. 27, after an apparent road rage incident. 

According to Wisconsin State Patrol, the driver of a black Nissan Altima with tinted windows and no license plates fired shots at a pickup truck around 3:29 p.m.

The vehicles were traveling westbound near Moorland Road on I-94 at the time. 

Authorities are still searching for the suspect vehicle. 

The highway was temporarily shut down during an investigation and has since reopened. No injuries were reported.