The venue is also being reviewed for a potential license breach associated with the crime.
Todays hearing was held in private for the same reason.
Further details will be released when possible.
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The news has blindsided the entertainment community.
Members down the years have included Stephen Fry, Harry Styles, Jarvis Cocker and Rachel Weisz.
Earlier this year, it announced itsfirst female CEOand also revealed plans for a new Groucho in West Yorkshire.
The Groucho Club declined comment.
