The "Benson and Hedges" gang have struck again in the sixth robbery within a week.

The two robbers, nicknamed because of the brand of cigarettes they steal, raided the Co-op in High Street, Rottingdean, Brighton, shortly after 9pm yesterday.

They threatened staff with a kitchen knife and stole cash and cigarettes.

The pair carried out similar robberies at Threshers off licence branches in Western Road and Queens Park Road, Brighton, and Holland Road, Hove, Asda at Brighton Marina and the BP service station, Kingsway, Hove.

The robbers are in their late teens or early twenties and slim. Call police on 0845 6070999.