A London Ambulance Service spokesman told the Mirror: “We were called just before 8am on May 22.
"We sent two ambulance crews and staff treated one patient, a man, who was then taken to hospital.”
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Rain will spread southeastwards through N. Ireland, Wales and England overnight.
The woman used her daughter's own Facebook page to live-stream the attack after the teenager posted provocative pictures online.
A senior employee at the organisation reportedly derided the three-year-old royal for being 'royal, rich' and "advantaged'.