Gang tensions are at a high in Palmerston North, with a man fatally shot in Highbury on Sunday.

A source tells our newsroom it follows unrest between the Mongrel Mob and Black Power gangs.

Manawatu Area Police Commander Ross Grantham says he believes the situation's under control.

"We have a high presence within the community, we've brought in additional staffing and we're stopping people from doing door-knocking- we have inquiries to follow up and we'll take whatever actions are required."

It's understood a shooting on Saturday in Auckland's Point England is also being treated as gang-related, and one man has been arrested for a breach of electronic bail.

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