The family of a woman paralysed when she was shot by police called for a public apology today. Cherry Groce was accidentally shot in 1985 by officers raiding her home looking for her son. The incident sparked the Brixton riots.
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Mayor of London Sadiq Khan is backing the scheme.
A spokesperson said the lightning strikes had left the "aircraft fuelling system unavailable."
Nearly 1,000 properties have been left without power, and road users have been warned of potentially hazardous conditions.