Anyone who answers their door to a stranger should be careful.
Door-to-door scams have become much more prevalent since the coronavirus pandemic. People are being urged to take care when opening the door to people that they don't recognise.
The elderly are particularly at risk of being targeted by conmen and criminals. Consumer organisation Which? said there have been 300-500 reports of door-to-door scams every month for the past two years, with almost £19m stolen.
