Two men are being treated in hospital after being found with stab wounds outside a McDonalds restaurant in Regent Street. It happened just before 3:30 Saturday morning.
The men's injuries are not thought to be life threatening and no arrests have been made.
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Police are appealing for information about a man who racially abused a 23-year-old woman and then began "throwing punches in her direction".
The conmen, including a former X Factor contestant, were sentenced for the 'heartless' scam, which preyed on vulnerable people.
Police are appealing for information about two sisters aged 12 and five who went missing three days ago.