A spokesman for the National Crime Agency has said that the best advice is not to open any attachments in emails that appear to be from your bank.
If you are in any doubt at all, call your bank to ask whether they sent the email.
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The Foreign Office warned holidaymakers that "intensive law enforcement activities" were expected in Montego Bay.
The man who sold himself to the American people as the greatest deal maker in history is now overseeing paralysis.
The US government has shut down for the first time since 2013 after Congress failed to resolve a standoff over immigration and spending.