Labour MP for Lewisham East Heidi Alexander said: "Undoubtedly we have a really big fight on our hands to reverse these proposals. Ultimately it's a decision for Jeremy Hunt, the Secretary of State for Health. He will take that decision in February.
"But with 32,186 signing our petition in just five weeks. I think it's a very clear demonstration about the concern and opposition that exists in Lewisham about the downgrading closure of the A&E."
More top news
The London Marathon brings together thousands of people raising money for charity - not to mention some rather unusual costumes.
Planning on going to the London Marathon tomorrow? Read our handy guide first!
Celebrations to mark St George's Day have started in Trafalgar Square with feasts and tea to be found in abundance.