- Some shoppers… [+2361 chars]
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A grocery chain says it's facing a rise in 'fraudulent coupons' as social media users brag of huge discounts on their shopping
At one Sainsbury's store visited by BI, a sign told customers to expect delays as the chain seeks to block the coupons.
Some shoppers say they've been able to get massive discounts by repeatedly scanning the same promotional coupon at Sainsbury's self-service checkouts.Justin Tallis/Getty Images
