An off-duty police officer has allegedly been involved in a fight at a Gold Coast casino.

An off-duty police officer has allegedly been involved in a fight at a Gold Coast casino.

The Ethical Standards Command is overseeing an investigation into the incident at Jupiters casino just before 3am (AEST) on Sunday.

“The 38-year-old victim was allegedly assaulted and was transported to the Gold Coast University Hospital for observation,” police say.

“No complaint has been received at this time however police Ethical Standards Command will continue to overview the investigation into the incident.”