4 appliances from Ryde, Sandown and Newport are on scene at George Street, where smoke is billowing out of a 1st floor window.
Crews wearing breathing apparatus and equipped with hose reel jets are fighting the fire both externally and internally.
Hanover House is situated beside the Royal York Hotel – a long-term derelict building that has recently been undergoing refurbishment.
Island Echo reported on Monday that windows had been smashed inside Hanover House with Police attending the scene, but no suspects were located.
George Street – between the Esplanade and Cross Street – has been closed to traffic and pedestrians. Southern Vectis buses are diverting as a result.
UPDATE @ 19:30 – 4 breathing apparatus sets and 2 hose reels are being utilised in a bid to contain and extinguish the fire, with a nearby hydrant being tapped into.
The Incident Command Unit from Newport is now also on scene.
Police officers have arrived at George Street due to the suspicious nature of the incident.
UPDATE @ 20:00 – The Aerial Ladder Platform from Newport is now also on scene as the firefighting efforts continue.
The cause remains unknown at this time, but initial investigations are underway.
UPDATE @ 21:54 – The fire has been fully extinguished and crews are now standing down from the incident.
George Street has reopened.
Police are expected to probe the cause of the fire further.
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