West Ham vice-chairman Karren Brady has called Tottenham's plans to demolish London's Olympic Stadium once the 2012 Games are over a "corporate crime".

The Hammers, who are vying with Spurs to move into the east London stadium have vowed to keep the athletics track.

Brady told the BBC: "It's a corporate crime to spend £500m on a stadium and, just four weeks after the Games have finished, bring the bulldozers in."

However, Spurs chairman Daniel Levy has branded Brady's claims "irresponsible".

He said in a statement: "A lot of emotive phrasing has been used regarding the dismantling of the stadium and it is scaremongering.

Our proposal will retain around £420m worth of the Olympic Stadium, and we will re-use or recycle the £80m that will be dismantled with zero landfill Tottenham chairman Daniel Levy

"Accusations that we would demolish £500m of stadium are hugely inaccurate and highly irresponsible and I want to be very clear on this issue. Our proposal will retain around £420m worth of the Olympic Stadium, and we will re-use or recycle the £80m that will be dismantled with zero landfill.

"It is also important to remember that two thirds of the Olympic Stadium, under the original legacy plan, was to be dismantled - it was not designed to be a permanent structure.

"The original 2012 legacy promised to dismantle all of the stadium above ground leaving a sunken 25,000-capacity athletics arena - that has proved unviable.

"Recent scaremongering conveniently forgets this fact."

A decision on the future of the Olympic Park site is expected this week.

An announcement was originally due on 28 January but was postponed because the Olympic Park Legacy Company (OPLC) wanted more time to study the bids.

And the OPLC also has a third option of converting the stadium into a 25,000-seat mixed-use venue for sporting, cultural and community events.

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The differences between the bids centres on the running track - Tottenham would not retain it, but West Ham would.

An athletics legacy was one of the key promises made to the International Olympic Committee by the London bid team in 2005 when it won the right to stage the Games.

"The Olympic Stadium was built on a promise, made in the Queen's name, to have a legacy for athletics," said Brady, during an interview for BBC Breakfast.

"Through [West Ham's] design there will be over £90m spent on reconfiguring the stadium so it sits perfectly for athletics and football and cricket and major events.

"Once the conversion is done, with the roof and some of the seats, there won't be a single seat within that stadium that has a worse view of the pitch than Wembley."

The Hammers, in a joint bid with Newham Council, want to create a 60,000-capacity arena that will also be used for concerts and community events.

London 2012 chairman Lord Coe and former Olympics minister Tessa Jowell have both backed West Ham's bid to to take over the stadium.

And Lamine Diack, president of world athletics governing body the IAAF and an International Olympic Committee member, told BBC Sport in January that London 2012 organisers will have "lied" and Britain's reputation will be "dead" if an athletics legacy is not left at the Olympic Stadium.

Tottenham, who are joint bidders with sports and entertainment company AEG, have said they would create an athletics legacy by contributing to the refurbishment of the National Sports Centre at Crystal Palace.

Spurs manager Harry Redknapp is firmly against keeping the running track between the stands and the pitch at the Olympic Stadium.

Supporters of West Ham, Tottenham and Leyton Orient, who are the closest league club to the Olympic Stadium and believe they will be adversely affected if either of the two Premier League clubs moves in, have demanded a meeting with the OPLC before it makes its recommendation.

Any OPLC recommendation will have to be ratified by the Department for Culture, Media and Sport, the Department of Communities and Local Government, and the London Mayor's office.

The ultimate deadline for the OLPC is the end of the financial year, although currently there is no suggestion it will take that long to make its decision.

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