Tensions have been rising between Black Power and Mongrel Mob (File photo).

Gang tensions have once again flared in Hawke's Bay, with a mass brawl breaking out between Mongrel Mob members.

The fight, involving about 15 people from a single gang, erupted on Percy Spiller Ave about midday on Sunday, police said.

There were no reports of weapons used and one person was moderately injured.

CHRISTEL YARDLEY/STUFF Mongrel Mob members were reportedly involved in the brawl (File photo).

It is the latest in a series of gang battles in the Hawke's Bay area.

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In January there was a gang brawl, during which shots were fired and two people were injured, in the Napier suburb of Taradale.

A shotgun pellet struck a child's car seat during the brawl.

A few days later, police seized guns and ammunition after being called to reports of patched Mongrel Mob members converging in the Wairoa town centre.

Sunday's brawl was initially reported as involving two gangs - Mongrel Mob and Black Power - but police said just a single gang was involved. Police would not identify the gang.