ESSEX Police has launched an investigation after a "malicious communication" targeting UKIP MEP and Thurrock councillor Tim Aker has been circulated to dozens of politicians and members of the public.
An Essex Police spokesperson said: "Essex Police is investigating an allegation of malicious communications relating to letters being sent to a number of individuals.
"Police were contacted on Thursday 28 April with details of the incident.
"Enquiries are continuing. Anyone who receives a letter they believe to be malicious should report it to police on 101".
The leader of Thurrock UKIP, cllr Graham Snell has confirmed to YT that they are aware of the matter.
Cllr Snell said: "I am aware of the letter and it’s content. We have passed it to the Police for them to investigate".