The crews went to the shop in Allaway Avenue, Paulsgrove, at 8.15pm last night.
Two appliances were deployed from Cosham fire station with a further appliance in attendance from Portchester.
Firefighters used two breathing apparatus and one hose reel to extinguish the fire in one of the shop’s deep fat fryers.
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No-one was injured or needed medical treatment and the fire was described as ‘minor’.