One dead, several people stabbed in Australian city of Melbourne

One person was killed and several injured in a stabbing incident in the Australian city of Melbourne on Friday and a man was arrested in the centre of the city crowded with pedestrians and shoppers. Victoria state police said they initially responded to a report of a car on fire and a man was arrested and taken to hospital under police guard in a critical condition. Police said there "is no known links to terrorism at this stage".