Four out of five shops in Cam, Dursley, Berkeley and Wotton-under-Edge refused to serve alcohol to underage test purchasers during an operation in the area over the weekend.
A 14-year child and 15-year-old child who had been asked to take part accompanied an officer from the local policing team as they visited a supermarket, newsagents and off-licences.
The officer waited outside while the children attempted to buy various alcoholic drinks.
Staff at all the shops except a newsagents in...
