London's [Images] winning bid to stage the 2012 Olympics [Images] breached the rules, Paris mayor Betrand Delanoe said on Monday.

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Delanoe, president of the Paris bid, said London had not respected the rule of the International Olympic Committee (IOC) stating that meetings between bid officials and IOC members should be only informal.

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"The IOC knows that (Prime Minister) Tony Blair [Images] had written to IOC members to offer to meet them," Delanoe told reporters.

Delanoe said that Blair had then met IOC members in his hotel suite in Singapore before Wednesday's vote, in which London scored a narrow victory over Paris.

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"Everybody was aware of it and could see it," Delanoe said.

"That's against the rules. I saw people coming out of Blair's suite."