Police believe the stabbing was an isolated, mental health-related incident, although enquiries remain at an early stage.
Chief Superintendent Jason Stewart said: “Officers responded within minutes of this incident after receiving a number of reports.
“While still at an early stage of the investigation, we would like to reassure the community that we currently believe this to be an isolated, mental-health related incident.
“A visible police presence will remain in the area while evidence is gathered at the scene and we thank the public for their understanding.”
Anyone with information is asked to call police on 101, quoting CAD 3449/05AUG.