The man arrested this morning is the sixth suspect to be arrested - and the seventh person to be questioned - in connection with the Yewtree operation which involves a team of 30 officers and has already cost around £2 million.
More top news
He said people have handed over thousands of pounds in good faith, only to find the advert has nothing to do with Mr Lewis or his company.
The memorial service will be attended by Prince Harry and Meghan Markle.
David Browning admits manslaughter by diminished responsibility but denies murder.