Detectives investigating the murder of Jay Whiston at a party in Colchester have made a further arrest.
Last night a 17-year-old boy from Colchester was arrested on suspicion of murder.
His arrest brings the total to four. For more on this story go to ITV Anglia.
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Nigel Farage warned on Friday Britain was "far less safe" and exposed to Cologne-style sex attacks because of open-door immigration.
Arthur Simpson-Kent, 48, admitted killing Ms Blake and their sons according to his lawyer.
Two brothers have been arrested on suspicion of murder after their parents were found dead in their own home over the weekend.