- Police are appealing to the public for help in finding the two sisters
- They are believed to be in the care of members of the travelling community
- The High Court has ordered the children be returned to the care of the local authority
- Anyone with information in the UK is asked to call police on 101
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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.