Joanne McCartney, chairwoman of the London Assembly Police and Crime Committee, said the report will "worry everyone concerned with safety and security in our capital city".
It is disturbing that the Met finds itself one of only three forces which the Chief Inspector judges to be at risk of failing to provide an efficient or effective service to the public in the future.
The conclusions of the HMIC report should impress on Mayor Boris Johnson and his Deputy Stephen Greenhalgh the need for a plan getting to grips with the budgetary challenges facing the Met.
They must show that they recognise, as HMIC does, the scale of the problem for policing in the capital as cuts bite.
More top news
A low pressure system in the near Atlantic will bring a text book swirl of cloud - with blustery downpours as winds whip up tonight.
Jeremy Corbyn addressed supporters from the top of a fire engine after a rally spilled out into the street because so many people turned up.
In March 1992, Cilla Black became an ITV News reporter for National Trading Places Day to raise money for charity.