Detective Inspector Louise Ludwig said: "We would urge all shoppers to be wary of anyone who might be watching you at the checkout.
"Always cover your PIN when you enter it into a cash machine or Chip & PIN machine at the tills.
"Try to avoid being distracted by people asking for directions, and keep your valuables safe."
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Hampshire police arrest seven more men in investigation into an alleged conspiracy to commit serious sexual offences on the Isle of Wight.
The Government scheme would benefit those aged under 40 but will only run for five years.
Becoming windy with cloud and showers this afternoon. Heavy rain on the way later