Alan Greaves' widow Maureen has said that "justice has been done for the actions taken for the murder of an innocent man".
Speaking outside Sheffield Crown Court, after Ashley Foster was convicted of manslaughter, she said: "I am greatly satisfied and relieved at the result of the court today however no sentence will bring Alan back".
Mrs Greaves added that her husband "would not want any of us to hold on to feelings of hate and unforgiveness".
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The Metropolitan Police Federation, which set up the official JustGiving site, said it felt a "suitable amount" had been collected.