London Assembly member Darren Johnson has obtained data on modelled fire response times before and after the proposed cuts come into force.
The following wards will see first response times worsen by over a minute.
More top news
The London Mayor insisted he was "not saying that nationalists are somehow racist or bigoted" after outraging SNP supporters.
The teenagers, aged 19 to 15, appeared in custody at Westminster Magistrates' Court on Saturday, supported by their families.
Parker Dairies moves home after 120 years on Wood Street in Walthamstow