A 20-year-old from Plumtead has been telling London Tonight how he's used the devastating murder of his best friend to turn his own life around.
Rather than be involved in crime, Timi Jogunosimi is ploughing most of his time into a football project, which is helping other vulnerable young people in South London.
Watch Jamie Shepherd's report:
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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.