TULSA, Oklahoma - Police are looking for the shooter who opened fire at a high school party.

At about 12:30 Sunday morning police said a large fight broke out at the Route 66 Event Center near 11th and Lakewood.

The event center was hosting a party with Union high school students.

During the fight, someone started shooting, hitting at least one vehicle.

After the gunfire, the crowd ran off but reformed at the nearby QuikTrip.

A man was knocked out, but as police worked to disperse the crowd, that victim woke up and ran off police said. 

One person was arrested for obstruction and resisting arrest but has not been identified as the shooter