A convicted murderer, a Polish chef brandishing a 1.5m narwhal tusk and a tour manager have been named as the heroes of the London Bridge terror attack.
The killer - 28-year-old Usman Khan - was shot dead by police on Saturday morning (NZ time) after killing two people and injuring three.
Footage shows three men surrounding the attacker, one spraying the man with cold ice from a fire extinguisher while another hit the alleged terrorist with a narwhal tusk.
With the combined help of strangers, one of whom was carrying a fire extinguisher, the knifeman was tackled to the ground.
According to local media, the man brandishing the narwhal tusk was a polish chef named Łukasz.
The chef admitted to grabbing the narwhal tusk from the historical London building Fishmongers' Hall while at a conference organised by Cambridge University's Institute of Criminology.
Thomas Gray, a 24-year-old- tour manager, was also among the group who disarmed the attacker.
Gray told ITV he was driving by with his workmate when they saw people running.
"I stamped on his left wrist while someone else smacked his hand on the ground and kicked one of the knives away," Gray told BBC News.
The tour manager said he was brought up on rugby and only did what any other Londoner would do.
Convicted murderer James Ford was one of the men who disarmed the knifeman. Along with Łukasz, the 42-year-old was also at the prisoner rehabilitation conference.
According to the Mail Online, Ford was jailed for life in 2004 after brutally murdering a young woman with learning difficulties. He is reportedly serving what is left of his sentence at HMP Standford Hill, in Kent.
"He is not a hero," the victim's aunt Angela Cox told Mail Online. " He is a murderer out on day release, which us as a family didn't know anything about. He murdered a disabled girl. He is not a hero, absolutely not."
But David Wilson, a professor of criminology at Birmingham City University, told BBC News Ford went through an "intensive period of psychotherapy".