Opposition parties in the London Assembly are expected to gang up on Boris Johnson in an historic bid to try to overturn his plans for fare increases and fire station closures. For the first time, Labour, Lib Dem and Green members are expected to agree a joint amendment to the draft budget.
The move requires a majority vote and is likely to be succesful if at least 13 members of the 25-strong assembly join forces.
But the mayor is unlikely to be troubled by the tactic - his original budget is expected to be approved at another meeting on 25th February when the opposition will be unable to muster the required majority of two thirds.
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The move comes amid a motion of no confidence that was tabled against Labour leader Jeremy Corbyn.
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