The man who disarmed a woman after she allegedly threatened to stab another man on a Sydney train with a chisel said he learned the "UFC" move in prison.
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Police charged a 19-year-old woman on Tuesday after she allegedly threatened a man on a train with a chisel.
Identified only as Tarek, the Sydney man spoke to Channel Seven about the altercation on Boxing Day.
The incident unfolded after a woman objected to a man sitting next to her as the train pulled out of Campsie station.
The woman is shown in the footage advancing towards the man with the weapon yelling "I'll stab you, dog", before Tarek tackles her onto the train seat and disarms her just after midday on Saturday.
"The fear was in people's eyes, I could see it. And I thought 'you know what? No one's doing nothing, I'm going to react'," Tarek told Channel Seven.
The woman fell onto a young girl, who was sitting on an aisle seat on the Bankstown Line train.
Tarek was a reformed criminal who learned how to defend himself in jail, according to Channel Seven.
"I just did a bit of UFC on her," Tarek said.
A 19-year-old woman was charged over the incident on Tuesday afternoon.
The woman was arrested on Cooper Street in Waterloo and charged as being armed with intent to commit an indictable offence, and common assault.
Her partner told Channel Seven that she was carrying a chisel because she was on her way to a relative's house to fix a door.
On Monday a fellow passenger said the dispute started because the 19-year-old woman, who was sitting next to the window, objected to the man sitting two seats away from her, on the aisle. There was a vacant seat between the pair.
Annie Huang, 22, had boarded the train at Campsie with her mother and boyfriend, who were planning to head to the city to go shopping.
She said the male passenger, who she did not know and who was of Chinese descent, also boarded at Campsie and sat down in the same aisle as the woman.
"I started hearing her say very rude things to him, like 'F*** off, don't sit next to me, move somewhere else'," Miss Huang said.
"He wasn't replying, he was just sitting there. She said 'Do you even speak English? Go back to your own country'. That was pretty much the gist of it. By the end of it, she just kept screaming 'Move! Move!"
Miss Huang said she then got out her phone and started filming the encounter because she was not sure what would happen.
The male passenger is shown in the footage appearing to lose his temper.
He yells angrily at the woman, points at her and takes a step towards her, before the woman leaves her seat and starts to leave the carriage. She then turns around and pulls the weapon from her pants.
The woman is shown in the footage saying "Hit a woman, you dog!" while advancing towards the man and making stabbing motions into the air.
She is just centimetres from the young girl, who is being shielded by a woman, before a man in a white singlet pushes the alleged offender onto the seat.
"It shocked me [when the woman pulled out the weapon]," Miss Huang said.
"My mum was sitting next to me, I tried to move my mum [away]. I was really scared, and it was a huge relief when the guy in the singlet grabbed her and pushed her down."
Miss Huang said the train stopped at Canterbury train station until police and paramedics arrived.
Miss Huang said she later spoke to the man in the singlet, who said he could not just sit there while the man was targeted for no reason.
"He said that the Chinese man did nothing wrong. All he did was sit on the seat, and didn't even sit right next to the lady, and the lady just started yelling at him. He knew he had to do something," Miss Huang said.
The 19-year-old was granted conditional bail and is due to appear in Downing Centre Local Court on 1 February.