London Mayor Boris Johnson on the Andrew Mitchell row:
"In my book you shouldn't abuse police officers and I made that clear loads of times. The crucial thing for me is that Andrew Mitchell has now apologised not just once but twice publically. I believe he's also apologised to the officer concerned."
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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.