Detective Inspector Tofilau Fa’amanuia Va’aelua of Counties Manukau CIB said he wanted to acknowledge how alarming and concerning an incident like this was to the public.
“These two people were simply doing their jobs and could not have anticipated coming to work today and becoming victims in an incident like this.
“We will be supporting them and their families as we move through our investigation and the court process.
“We hope it is reassuring that we have made a quick arrest and will put this person before the courts to be held accountable.”
Details of charges will be released once they are confirmed, police said.