A man grabbed £250 from a till at the 99p Stores shop in Bishop's Stortford after asking the cashier to change some money for him.The incident happened at around 6.30pm on Friday (May 8).The thief exited via the store's South Street entrance and headed towards North Street.He was white, in his 30s and wearing a grey, hooded top with beige bottoms and dark trainers.
