Barry Soper: Newstalk ZB senior political correspondent on the Finance Minister's investigation into butter prices - Heather du Plessis-Allan Drive

The Finance Minister says all roads lead back to supermarket competition, as questions loom over spiralling dairy prices.

Nicola Willis yesterday spoke with with Fonterra chief executive Miles Hurrell - in a meeting she's called constructive and candid.

Newstalk ZB senior political correspondent Barry Soper says it's likely the Government will make an announcement on supermarkets in the coming days.

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