Whangarei police have cordoned off a house in Tikipunga, Whangarei, and are believed to be negotiating with a man holed up inside.
Police were called to a house near the intersection of Balmoral and Vinegar Hill Rds. The house is understood to be on Balmoral Rd.
Police said it was a "developing situation" but there was no danger to the public.
"The situation is cordoned and contained and we'll release more info as soon as we're able to," police said.
It's understood a man is holed up in the house and police are negotiating with him.