Botany MP Jami-Lee Ross is understood to have been taken into mental health care.
It is reported that Mr Ross has been taken to a mental health facility in Auckland
The MP resigned from the National Party earlier this week but then announced he would not do that.
He has been the subject of several allegations of harassing women, claims which he has denied.
Mr Ross admitted to having had a mental breakdown a few weeks prior but said he had recovered.
A National Party spokesperson said it had been seeking advice from medical professionals and ensuring support was available for Mr Ross but declined to comment on the reports this evening.
Police also declined comment.