Police initially responded to reports of a auto on fire at the corner of Bourke and Swanston streets. Bystanders jumped into the fray, one wielding a chair, another a shopping trolley, before the assailant was finally neutralised.
A handful of videos and images uploaded to social media appear to show the man attempting to stab police before he is shot. See the videos below.
But as the attacks continued unabated, before one officer opted for lethal force, shooting the suspect in the chest. He's been transported to hospital under police guard.
Ashton added that Counter Terrorism Command will investigate alongside Victoria police.
Superintendent David Clayton confirmed the suspect had stabbed three other people before attacking police.
The two surviving victims are being treated in hosptial. Their conditions weren't made known.
Police are treating the incident as a terror attack.
Police are not looking for anyone else in relation to the events.
Officers were initially called to reports of a auto fire near Bourke Street, a busy thoroughfare, at about 16:20 local time (05:20 GMT).
China says PM Imran Khans visit successful
According to the Ministry's spokesperson Hua Chunying, a number of achievements were made during the visit. A team of Pakistani officials was expected to arrive here on November 9 to finalise the details.
In the meantime, the Department of International Relations and Cooperation is trying to establish what has happened. The department announced on Thursday that Quintal and Mumo were released following their detention on Wednesday.
Ce qui est sûr, c'est que ce mode va pouvoir assurer la longévité du jeu , comme l'a fait GTA Online pour la licence du même nom. Rockstar peut être fier de son dernier né, qui n'a pas fini de faire parler de lui.
The family matriarch seeks to replace her daughter Imee Marcos as provincial governor, while Imee is gunning for a Senate seat. Marcos, who is now a member of the House of Representatives, is running for a governor post in next year's general election.
Hooker Tolu Latu will make just his second Test start nearly two years on from his first against France back in November 2016. Latu was yellow-carded against Argentina and New Zealand despite coming off the bench late in both matches.
The driver, Andrut Duma, 29, will remain in custody until he appears before Lewes Crown Court for a hearing on 26 November. A group of 15 children and six adults have been found in a refrigerated lorry in Newhaven, Sussex.
Ma said it was Tai Kwun, not the festival, that had pulled his events. "Without them, life has no meaning", Ma wrote on Twitter. Hong Kong's immigration department has stated it does not comment on individual cases.
We had an incredible escort here today - thank you to the Italian police. "Hopefully we can get all three points". At the end I didn't insult anyone, I just did the gesture that I wanted to hear them more.
Cette fois-ci c'est Envoyé spécial qui a insinué que les joueurs du PSG étaient payés pour aller saluer les supporters. En ce qui concerne les salaires, le Brésilien Neymar gagne 30 millions d'euros par an, après impôts sur le revenu.
Marine combat veteran kills 12 in crowded California bar
Sheriff John Dean recounted what Helus had told his wife, telling the LA Times : 'He said, "Hon, I got to go, I love you". Speaking to reporters after hearing of her son's death, a heartbroken Susan Schmidt-Orfanos called for gun control.
An impressive Q3 for CVS ahead of Aetna merger
The 50-day moving average is perceived to be the dividing line between a stock that is technically healthy and one that is not. CVS's 50 day simple moving average (SMA 50) price is $75.82 and its 200-day simple moving average (SMA 200) price is $69.77.
Keystone XL Pipeline: US judge orders halt on construction
Trump granted a permit for the $8 billion conduit meant to stretch from Canada to Texas just days after taking office a year ago . No immediate impact in oil markets is seen, as the pipeline isn't scheduled to come online for years regardless of the ruling.