A disabled man who was beaten to death and set on fire was wrongly labelled as a paedophile by neighbours after photographing youths he suspected of vandalising his treasured hanging baskets.
The court was shown footage of killer Lee James drinking a can of beer in a communal area in front of the flats while looking after his children, which Bijan Ebrahimi had filmed.
"Whatever the cause of it, there were a number of neighbours who were hostile to Mr Ebrahimi and alleged he was a paedophile," the prosecutor said. "There is in fact no evidence whatsoever to support this claim."
Lee James was given a life sentence and told he would serve a minimum of 18 years of the "act of murderous injustice".
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."