A plea for action has come to address the recent spate of violent crime.

Police are raising concerns about rising gang tensions, after fatal shootings in Auckland's Point England and Palmerston North's Highbury over the weekend - both linked to gang rivalries.

They're also continuing to hunt for the man wanted over Thursday's fatal shooting in downtown Auckland.

Heart of the City Chief Executive Viv Beck told Kate Hawkesby Auckland is now at risk of no longer being seen as a safe place.

She says if that doesn't change now, Auckland could become known internationally as a "dangerous city".

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