Federal police have raided the Department of Home Affairs office in Canberra, as officers investigate a leak related to the au pair saga.
A parliamentary inquiry in September heard the leaking of emails, which showed Home Affairs Minister Peter Dutton overruled the advice of border authorities to allow a French au pair into the country, had been referred the AFP to investigate.
A police vehicle was seen outside the Canberra office on Thursday and comment was being sought from the AFP.