Passage: Because the press barely covered the story, the affair would have faded quickly from public memory if not for journalist Ernest Parke. The editor of the obscure politically radical weekly The North London Press, Parke got wind of the affair when one of his reporters brought him the story of Newlove's conviction. Parke began to question why the prostitutes had been given such light sentences relative to their offence (the usual penalty for "gross indecency" was two years) and how Hammond had been able to evade arrest. His curiosity aroused, Parke found out that the boys had named prominent aristocrats. He subsequently ran a story on 28 September hinting at their involvement but without detailing specific names. It was only on 16 November that he published a follow up story specifically naming Henry Fitzroy, Earl of Euston, in "an indescribably loathsome scandal in Cleveland Street". He further alleged that Euston may have gone to Peru and that he had been allowed to escape to cover up the involvement of a more highly placed person, who was not named but was believed by some to be Prince Albert Victor, the son of the Prince of Wales.Euston was in fact still in England and immediately filed a case against Parke for libel. At the trial, Euston admitted that when walking along Piccadilly a tout had given him a card which read "Poses plastiques. C. Hammond, 19 Cleveland Street". Euston testified that he went to the house believing Poses plastiques meant a display of female nudes. He paid a sovereign to get in but upon entering Euston said he was appalled to discover the "improper" nature of the place and immediately left. The defence witnesses contradicted each other, and could not describe Euston accurately. The final defence witness, John Saul, was a male prostitute who had earlier been involved in a homosexual scandal at Dublin Castle, and featured in a clandestinely published erotic novel The Sins of the Cities of the Plain which was cast as his autobiography. Delivering his testimony in a manner described as...

Question: Where was Euston when he was made aware of a house of ill repute on Cleveland Street?
Piccadilly