Police are treating a fire which has destroyed a Waitrose supermarket in Banstead in Surrey as `` potentially suspicious '' .
a Waitrose supermarket
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Police are treating a fire which has destroyed <m> a Waitrose supermarket </m> in Banstead in Surrey as `` potentially suspicious '' .
Police are treating a fire which has destroyed <m> a Waitrose supermarket </m> in Banstead in Surrey as `` potentially suspicious '' .
More than 50 firefighters have been trying to control the fire which broke out in the roof of the building .
Peter Guest , Assistant Chief Fire Officer at Surrey Fire and Rescue Service says the building is `` a total loss '' .