Armed police interrupted a toddler's birthday party and cordoned off roads near Havelock North as they searched for a person now on the run.
The Armed Offenders Squad could be seen in the area near Thompson Rd and its intersections with Davidson and Napier Rds about 8.30am.
A police spokesperson said they were executing a search warrant in the area.
"The person we were looking for was not located so no arrests made. AOS were deployed as a precaution (not uncommon when warrants are being executed)."
Police were later seen cordoning off the Te Aute Rd area, near Lipscombe Cres, in what is believed to have been a second attempt to look for the offender.