Police say arsonists were responsible for a fire which destroyed derelict former NHS buildings at Chichester.
The blaze on Sunday night extensively damaged an old laundry complex serving city hospitals.
Officers are appealing for witnesses after scenes of crimes experts found that the blaze was started deliberately.
The fire broke out at about 10pm on Sunday night at the building in Broyle Road.
The site, close to Chichester Festival Theatre, has recently been sold for a housing scheme.
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