An unnamed 45-year-old man in South London was held on suspicion of fraud and an "amount of material was seized" in a search of his residential property, police said.

Tottenham were accused of ordering surveillance on all 14 members of the Olympic Park Legacy Company's (OPLC) board during the Stadium bidding process, which ultimately chose West Ham United's bid over that of Tottenham before the process collapsed last October.

Spurs denied the allegation, made by the OPLC chair, Baroness Margaret Ford, during a London Assembly Committee hearing last year.

Two people were arrested and bailed in November in connection with the alleged illegal procurement of information.

Tottenham denies any allegations of spying or the illegal obtaining of information.

It emerged during a separate High Court case that a company, which a judge said was hired by Tottenham, had copies of a West Ham executive's telephone records that had been "unlawfully obtained by subterfuge".

The investigators allegedly employed by Tottenham were from the accountancy firm PFK, whose former partner Howard Hill was arrested last week on suspicion of fraud.

Police investigating the illegal procurement of information made their first two arrests last November. There have been no charges filed in the case.

PKF denies any unlawful activity and said it has had no communication with Hill since he resigned from the firm in December.

Tottenham previously insisted that they "did not instruct PKF to engage in any unlawful activity and PKF have confirmed that they did not".

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