Officers are keen to find Daniel Kerry, 45, from Blyth, who is wanted in connection with harassment, and a number of searches are being carried out in the area.
Police are asking anyone who might have seen him or who might know his whereabouts to come forward.
Daniel, or anyone who believes they have seen him, should contact police on 101, quoting reference 0180330, or Crimestoppers anonymously on 0800 555 111.
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