At 8pm one or two men visited the victim, asking if he wanted any fruit or vegetables. When he shut the door he found another man inside the property who claimed to be from a security company and later realised that cash had been stolen.
An Avon & Somerset police spokesman said: “An investigation has begun to identify the people responsible and we would like anyone who saw people acting suspicious that evening, or has information about the incident, to call police on 101, quoting 112938/13.
“With the long, dark evenings we are reminding people of some steps to consider when answering the door.
“When you open the door, look at their clothing. Some official callers will have a uniform bearing their organisation’s name or symbol.
“If you don’t know the caller, ask to see their identity card. Check it carefully, and keep the chain on while you do this. Genuine callers won’t mind if you close the door while you do this.
“Some public utility services (eg. water, electricity, gas) operate a password system. Contact your utility provider – their number will be on your bill.
“If you are still not sure, ask the caller to come back later. You can then check their story by phoning the organisation or company they claim to represent. Look up the telephone number in your own directory. Don’t rely on their card – it may be the number of a crook’s partner.
“Bogus callers usually work in pairs. Beware of one distracting you while the other steals your property. The best practice is not to let them in.
“Watch out for anyone who says they are in a hurry. Don’t let them pressure you. If in doubt, call a neighbour or friend.
“If you have any suspicions at all, don’t let them in. If you are still not happy, phone 999 and tell your neighbours.”