Recent ABC News reporting has highlighted tragic allegations involving two mental health patients who escaped care from Cumberland Hospital in Western Sydney and later allegedly caused fatal harm in separate incidents. The NSW Premier has said something had “gone badly wrong” and the escapes are being reviewed.
When events like this occur, the community understandably asks two questions: how did it happen, and could it have been prevented? From a legal perspective, those questions sit within NSW public liability law and the duty of care owed by health authorities to protect the public from foreseeable harm.
What happened at Cumberland Hospital?
ABC News reported that two men absconded from mental health care at Cumberland Hospital within a short timeframe before allegedly causing three deaths between them in separate incidents.
In one matter, a 31‑year‑old man detained involuntarily under the NSW Mental Health Act allegedly escaped after overpowering a nurse and taking an access card, before later being charged in connection with a fatal crash in Camden.
In another matter, a 25‑year‑old man allegedly escaped during a hospital transfer and was later charged in connection with a stabbing in Merrylands.
Can health authorities in NSW be liable if a patient escapes and harms the public?
In some circumstances, yes. Public hospitals and Local Health Districts can owe duties of care not only to patients, but also to members of the public.
The central legal question is whether the risk of harm was reasonably foreseeable and whether reasonable precautions were taken in the circumstances.
What does duty of care mean in NSW public authority negligence claims?
A duty of care is a legal obligation to take reasonable steps to avoid foreseeable harm.
In cases involving mental health patients, the analysis often turns on control, known risks, and whether systems were in place to manage those risks.
What must be proven in a NSW public liability negligence claim?
Most claims require proof of a duty of care, breach of duty, causation, and damage.
Claims against public authorities can be complex and require careful investigation and expert evidence.
How Stacks Goudkamp’s NSW public liability lawyers can help
Stacks Goudkamp  has extensive experience in acting in public liability claims involving hospitals and public authorities across NSW.
We investigate what happened, identify whether legal duties were breached, and guide clients through the claims process with care and clarity.
Frequently asked questions – Public Liability Claims
What is a public liability claim in NSW?
A public liability claim is a compensation claim for injuries caused by another party’s negligence in a public place or on private property.
Can health authorities owe a duty of care to the public?
In some cases, yes. If a foreseeable risk exists and reasonable precautions were not taken, liability may arise.
Does mental health legislation prevent negligence claims?
No. Mental health legislation does not automatically remove the obligation to exercise reasonable care.
