Vision has emerged of a shocking brawl at Adelaide Oval.

The incident took place in the stadium’s Margarey Room on Saturday night, as Port Adelaide’s lost to Geelong.

The video was posted to a South Australian Instagram account on Sunday.

Click PLAY to watch the video

As many as eight men traded punches as a security guard tried in vain to keep them apart in the dying minutes of the game.

Police are reviewing the footage.

A 14-year-old girl told Channel Seven she hid behind a pole to avoid being caught up in the violence.