A mystery woman found in Ireland dazed, unable to communicate and later identified as an Australian cannot be committed as a psychiatric patient, a court has been told.

A woman found in confused state in Dublin's O'Connell Street could be at risk if she is released from care, a court has been told.

A 25-year-old Australian woman found wandering by the GPO in Dublin last month has been described in the High Court as ‘highly vulnerable’.