Police are speaking to people believed to be involved, and are working to establish what happened.
“We would like to speak with anyone who may have witnessed the assaults as we believe they have information that could assist in our investigation,” said Kemsley.
Police would like to hear from anyone who has CCTV or dashcam footage from the King St area between 3am and 4am on Sunday.
Information that could assist police can be sent online at 105.police.govt.nz, clicking “update report” or by calling 105 and using the reference number 250330/6709.
Information can be provided anonymously through Crime Stoppers online or via 0800 555 111.