Robbie Hughes, who was left with brain damage after being attacked while on holiday, has gone to Crete for the start of the trial of the six men accused of assaulting him. He is being accompanied by his mother Maggie who spoke to ITV before she left.
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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.