The offer of a free £1,000 in cash would be met with a 'no thanks mate' from a third of people in Britain's most suspicious city.
Manchester has taken the title, with Mancunians most likely to think something is amiss if they're offered something for free.
Three quarters of Brits admit they’re looking for a catch instantly when offered something for nothing, a poll by Betfair Casino has found, with suspicious Brits claiming they would snub anything from a free cup of coffee (28%), a new car (29%) or a bunch of flowers (24%).