A 51-year-old man is to stand trial in December for the murder of Lancashire community support worker Philip Ellison.
Robert Searle, of Glebe Close, Preston, pleaded not guilty at a hearing in Preston Crown Court.
He was remanded in custody ahead of the trial, which is due to begin on 8 December.
Ellison, 47, who worked with adults with mental health problems, died after being attacked during a routine visit to service users in Preston in April.
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