“This is a very distressing situation for families of those involved and for staff and other patients at the Adult Mental Health Unit. My thoughts are with the family of the deceased.
"These sorts of incidents are also felt deeply by the health services staff who are extremely dedicated to caring for their patients, and I know many will be struggling with this news today.
"Canberra Health Services is doing everything to ensure that patients and staff within the AMHU are supported at this time.
"As this is a matter for the police, I will make no further comment at this time."