Three people have died overnight following a number of incidents.
In Kew, police were called after reports a man had been stabbed near near Cotham Road and Queen Street. He died in hospital and has not been identified.
Nearby, in Walton Street, police shot a man while they were trying to arrest him.
In Hawthorn, the next suburb over from Kew, two women were found with stab wounds.
The women were taken to hospital where one died and the other remains in a critical condition.
“Investigators are working to establish the exact circumstances surrounding the three incidents in order to determine if they are linked,” Victoria Police said in a statement