She said the man kept telling her quietly he didn't want to hurt her.
She said the man kept asking for his sister.
Wheeler said there were plenty of police officers facing off with the man, many who had drawn weapons.
However, only one spoke, a negotiator who Wheeler said did an "outstanding" job.
She said the negotiator told the man he could see his sister when he went back to the police station with them.
Read the full story and watch video footage at the NZ Herald [HERE].