The London Ambulance Service says it expects its 999-call computer system to be back up and running "in the next hour or two."
A spokesman said that the technical issue had been identified and that they were now bringing the system live again.
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The Professional Footballers Association says 302 players sought support in the first seven months of 2017.
Scotland Yard said it was investigating eight cases of fraud involving people allegedly claiming payments in the wake of the disaster.
The robbery is being connected to a spate of thefts in south east London.