The government has announced changes to laws surrounding citizens arrests, but the policy is light on detail and opposed by Retail NZ and the Police Association - and how will it work in practice. 

Also, with both names being floated around the Wellington rumour mill, will Mark Sainsbury or Ben McNulty run for mayor? 

Sainsbury, a broadcaster, and McNulty, a Wellington City Councillor, joined Nick Mills for Friday Faceoff. 

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