Brands alleged behavior was exposed by aChannel 4Sunday Timesexpose nearly 18 months ago.
I have heard it was often joked about, which is unacceptable for something so serious, wrote Johnston.
The incident would have taken place around the time that Brand was cracking Hollywood.
Russell BrandLester Cohen/Getty Images
He starred in hit comedyForgetting Sarah Marshallin 2008 and his career was on an upward trajectory.
She would be expected to back him, the report added.
The review cost 662,060 ($823,000), the majority of which came from legal fees.
