A man was assaulted with what's thought to have been a craft knife on St Denys Road as he unloaded his shopping.
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The assault happened between 6.30pm and 7pm on Tuesday, August 16.
The man suffered a small puncture wound to his lower back, which resulted in hospital treatment. Police say he won’t suffer long-term effects.
He didn’t see his assailant, who ran away quickly.
Police appealed for witnesses from anyone living in the area or passing through, and said they wanted to “remind residents to be alert, but not alarmed and report anything suspicious”.
Anyone with information can contact police by phoning 101 and quoting 44160307640, or by contacting the Crimestoppers charity anonymously on 0800 555 111.