New scam phone call warning after Hertfordshire residents lose thousands There are some vital things to look out for (Image: John Stillwell/PA Wire) Sign up to our newsletter for daily updates and breaking newsInvalid EmailSomething went wrong, please try again later. Sign up here! When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice People in Hertfordshire are being reminded to stay vigilant after two elderly residents were recently targeted in scam phone calls where offenders pretended to be police officers.