Warner said police are expected to complete the scene examination today.
“The investigation team would like to hear from anyone who was in the areas of Saint John, Albert, or Richard streets, between 9.30pm on June 9 and 12.30am on June 10.
“We urge anyone with information, no matter how small, to come forward and speak with us.”
Warner said police will maintain a visible and increased presence in the Ōpōtiki area over the coming days.
Anyone who witnesses anything suspicious or has concerns for their safety was urged to call 111 immediately, or 105 after the fact.
Anyone with information that may assist the investigation can contact police via 105, referencing file number 230610/2652.
Information can also be provided anonymously via Crime Stoppers on 0800 555 111 or online via www.crimestoppers-nz.org.