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Part of a hospital was evacuated after a person with suspected chemical burns arrived at the infirmary for treatment.
Paramedics were called to the incident at Buckland Hospital in Dover at about 12.45pm today.
They treated the person, who is understood to have sustained the serious injuries prior to visiting the minor injuries unit, at the scene before being taken to the William Harvey Hospital in Ashford.
An ambulance service spokesman said: "We were called to Buckland Hospital to reports of a person having suffered burns.
"Crews including our hazardous area response team attended the scene and one person with potentially serious injuries was treated before being taken to William Harvey Hospital."
Firefighters were also sent to the Coombe Valley Road building just before 1.45pm.
They remained at the scene for almost two hours as they helped to make the area safe.
A fire service spokesman said: "Three fire engines were sent to the scene and crews evacuated part of the building as a precaution, due to the possible presence of a chemical."