Police are questioning three youths - aged 15, 17 and 18 - on suspicion of robbery at a police station in north London.
The motive for the attack is unclear at this stage.
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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.