Has Boris dealt blow to West Ham's chances of moving into Stadium?
There are currently four bidders hoping to take over the venue but West Ham are the favourites.
But at his first meeting chairing the organisation deciding the future of the Olympic Park, the London Mayor told London Tonight that he is not "wedded to football".
Have West Ham's chances of moving into the Olympic Stadium been dealt a blow by Boris Johnson?
The details now from our political correspondent Simon Harris.
Exclusive London Tonight pictures from inside Olympic Park
by Simon Harris
Exclusive London Tonight pictures from inside the Olympic Park.