Baroness Ford claimed all 14 executives in the OLPC were spied on by the club.

Tottenham Hotspur has been accused of “spying” on Olympic chiefs during their bid to take over the Olympic Stadium.

Baroness Ford, chairwoman of the Olympic Park Legacy Company (OPLC) claimed all 14 of the OLPC's board members were put under surveillance by the football club.

A 29-year-old man has been arrested on suspicion of fraud on Tuesday in connection with the allegations, which Spurs branded "baseless" and "irresponsible".

Baroness Ford told the London Assembly meeting on Tuesday: "My board were put under surveillance by Tottenham Hotspur and the chairman of Tottenham Hotspur felt confident enough to say in The Sunday Times several months ago that all 14 members of my board were put under surveillance. The Metropolitan Police are now conducting an investigation into that surveillance.

"There has been all kinds of behaviour here that I could not have anticipated which, believe me, has not been pleasant in the last 12 months."

The club was alleged to have used private investigators to spy on the decision-makers as they bid to take over the 486million stadium in Stratford - eventually losing out to West Ham football club.

But the winning club was forced to pull out last month in the face of legal challenges by rival bidders including Spurs.

A new tender process is now set to be launched by the OLPC but Spurs are thought not to be pursuing another bid.

A spokesman for the club said: "The club did not undertake, instruct or engage any party to conduct surveillance on any member of the OPLC Committee whatsoever and we consider the making of this baseless accusation to be wholly inappropriate and irresponsible. We totally reject this accusation in the strongest possible terms."