The fire happened in a derelict building at Hellesdon Hospital (Image: Denise Bradley)
Police have launched an investigation into a fire at a derelict property just outside Norwich.
Crews were called to the blaze in Drayton High Road, Hellesdon, at about 6.15pm on Sunday, May 7.
Firefighters tackled a blaze in a derelict building at Hellesdon Hospital.
Police have now confirmed they are investigating the incident as suspected arson.
Appliances attended from Sprowston, Earlham, Carrow, Fakenham, Wroxham, Hethersett, Aylsham, Dereham, Reepham, Hingham and Wymondham.
The aerial ladder platform and a water carrier were also called in to help tackle the blaze.
The blaze was put out just before 9.45pm.
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