Police are also investigating how a man arrived at Wairoa Hospital with a gunshot wound in his leg.
Aberahama said further incidents have been reported where firearms have been presented at people or vehicles, but have not been fired.
"Police understand incidents like this can cause a great deal of concern in
the community, however, we would like to reassure the public that these
incidents involve specific groups of people who are targeting each other.
"Police have increased our presence in our
communities and I have authorised temporary carriage of firearms for police
staff in the Wairoa area.
"We are asking people to remain alert to any suspicious activity, and to
report anything concerning to us immediately.
If people have information for police, they can call 105 and quote file number
210123/1106.
Information can also be provided anonymously via Crimestoppers on 0800 555
111.
