Rosa Curling, from law firm Leigh Day who represented the Save Lewisham Hospital campaign, says they are not worried about the government's continued fight to close some services down.
"We remain confident that the Court of Appeal will uphold Mr Justice Silber's decision" she said.
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Pictures of today's events unfolding following a major security incident at the Houses of Parliament.
At least two people have died after a knifeman brought terror to the heart of Westminster.
The Cobra committee brings together government ministers with senior officials of the emergency services and security agencies.