A shocking video has emerged appearing to show someone getting run over in the midst of a fight outside a bar in Las Vegas, USA.

The footage, captured by a bystander, appears to show the moment a woman gets knocked down by a vehicle while the fight is happening outside the bar near Las Vegas Boulevard.

"The girls fighting caught my attention as I am waiting for a friend to leave the bar," the filmer later wrote online.

"They were loudly arguing as the crossed the street and started pushing each other so I decided to film and then caught the girl getting hit."

"When the police came I showed them the video and then left," he continued.

This video is shot right outside of a popular bar in downtown Las Vegas, Gold Spike. Exact cross streets are Ogden and Las Vegas boulevard. Obviously the girls fighting caught my attention as I am waiting for a friend to leave the bar. They were loudly arguing as the crossed the street and started pushing each other so I decided to film and then caught the girl getting hit. When the police came I showed them the video and then left.