Police shoot dead knife-wielding man in North Willoughby, on Sydney's lower north shore

Police were called to the North Willoughby street after reports a man was threatening residents. 

A knife-wielding man shot dead by police in Sydney's north shore was "behaving erratically" and "chasing people" before running at officers, NSW Police say. 

Emergency services were called to Alexander Avenue, North Willoughby, just before 11:30am, after receiving multiple calls about a man threatening residents.