The Mayor of London has been involved in angry clashes at City Hall after he was accused of handing £10m of "free advertising" to Barclay's Bank.
The bitter row followed the bank's decision to pull-out of sponsoring Boris Johnson's flagship bike hire scheme.
Barclay's is paying £25m to fund the bikes until 2015 but was expected to make further £25m contribution to provide sponsorship until 2018.
Opposition members on the London Assembly say council taxpayers will have to cover the £10m cost of extending the scheme.
Labour's Val Shawcross asked the mayor when he knew the second £25m was not going to happen.
Boris Johnson replied:
Val Shawcross asked:
Labour's Len Duvall said:
The mayor admitted Barclay's "get very cheesed off" when the bikes are wrongly named - they're commonly referred to as "Boris Bikes".
Barclay's said it expected the scheme's next sponsor to contribute towards the south west extension.