Police are bringing in extra officers for the tangi of a "well-known Central Hawke's Bay gang member".
The funeral is to be held in the coming days, with the additional staff to ensure the safety of the community.
Hawke's Bay Area Commander Lincoln Sycamore said antisocial or unlawful behaviour would not be tolerated.
Police said they were in contact with the man's whānau to discuss plans.
They said if locals saw any unlawful behaviour they should call 111.