Northern Ireland boxer Sean McComb had been fined and issued with a banning notice following an incident outside a Surfers Paradise nightclub, the Northern Ireland Commonwealth Games Council has confirmed.
Light-welterweight McComb, 25, lost to England's Luke McCormack in a men's 64kg round of 16 Commonwealth Games bout on Sunday night.
The nightclub incident occurred in the early hours of Tuesday morning.
An NICGC spokesman said: "Sean was involved in an incident outside a nightclub in Surfers Paradise. As an association we will be gathering the full facts before any further decisions are made."
A Queensland Police statement read: "A 25-year-old man from Northern Ireland was issued with an infringement notice for public nuisance (violence) overnight after police were called to a Surfers Paradise nightclub at 2.45am.
"It will be alleged the man was creating a disturbance and police were called. No one was injured.
"The man was also issued with a banning notice for Surfers Paradise and Broadbeach Safe Night Precincts. The value of the fine is 756 (£412)."