One person was killed and others treated for stab wounds after a truck caught on fire and a man started attacking people with a knife in Melbourne's business district Friday.
Officers were confronted near the burning auto by a man "brandishing a knife and threatening them" while passersby called out that people had been stabbed, Victoria state police Supt.
Bystander Drew Hair told AAP he was walking on Swanston Street when he heard an explosion.
"Police shot the male and he is now in a critical condition and under guard in hospital".
It has now been confirmed one person has died.More news: Vietnam to join Formula One Calendar from April 2020
"Nearby police quickly responded to the (initial) incident", he said.
Only after he was shot did police realize that three members of the public, all men, had been stabbed.
"It's very early in the stages of the investigation", Supt Clayton said.
He also attempted to attack police who arrived on the scene before being shot in the chest by an officer.
Photo from the scene showed crowds of people behind police barriers.
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Victoria Police said officers "initially responded to a report of a vehicle on fire" in the city center at around 4:20pm local time, as people began to leave work for the weekend.
Another terrified witness, Ben, called the radio station to say he saw a white sheet covering a body in the middle of the sidewalk.
I condemn the act of terrorism in Melbourne today that has tragically taken the life of a fellow Australian who has died as a result of this evil and cowardly attack.
Videos and photos shared on Twitter showed a burning auto and police officers in an altercation with the man clad in black.
The police and State Premier Daniel Andrews asked people to avoid the area.
"This is Victoria Police, please evacuate the area".More news: Ariana Grande performs 'Thank U, Next' in a wedding dress