By Lizzie Edmonds PUBLISHED: 06:10 EST, 7 October 2013 | UPDATED: 08:44 EST, 7 October 2013 This is the terrifying moment a couple raided a convenience store at knifepoint and demanded cash from the till. James Clewes, 32, and his partner, Bernadette Chapman, 27, stormed a Best One shop in Manchester carrying a blade each. CCTV footage shows the pair enter the shop with a large bag before running up to the owner behind the counter. Scroll down for video Terrifying: In one CCTV still, Chapman - wearing a balaclava - can be seen brandishing a large blade
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James Clewes, 32, and partner Bernadette Chapman, 27, raided shop in Bury, Greater Manchester
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But they were arrested when Chapman's mother told police
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They terrified cashier when they demanded money at knifepoint
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Brave customer confronted them and tried to stop them escaping
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Clewes got nearly four years in jail, while Chapman was sentenced to almost three years
Clewes and Chapman raided the shop, in @placeholder, just after 7am on Thursday, May 23.