Stewart was allegedly involved in a physical altercation with speedway co-owner and former driver Brett Morris after early-evening time trials.
It is believed that Stewart, who is racing for a team owned by Morris’ business partner and Australian speedway legend Garry Rush, had issues about track conditions after a Hot Lap session and made them known to Morris. A helmet and punches were rumored to be thrown and exchanged during the alleged altercation.
According to the report, Stewart was scheduled to leave Australia on Saturday. There's no word on how this will affect his travel plans.
Stewart is a dirt-track aficionado. He owns Eldora Speedway — a dirt track that hosts his Prelude to the Dream charity race — and is involved with some of the hands-on prep work when he has time.
Two years ago at an indoor dirt track race in Kansas City, Stewart showed up to watch some of the racing and ended up offering advice to the track workers on how to prepare the surface.
(Thanks to Nate Ryan's Twitter for the heads up)