Man in 'Joker costume' attacks passengers on Japan train

Emergency workers and police officers at the train station in Tokyo
Emergency workers and police officers at the train station in Tokyo Copyright Kyodo News via AP
Copyright Kyodo News via AP
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A man attacked passengers on a Tokyo commuter train on Sunday, stabbing at least one and starting a fire.


A man presumably dressed as the villain the Joker from Batman attacked passengers on a Tokyo commuter train on Sunday, stabbing at least one and starting a fire.

Passengers were injured in the attack which sent people running along the carriages and climbing out of windows to escape.

The Tokyo Fire Department said 17 passengers were injured, three of them seriously.

Not all of them were stabbed and most of the other injuries were not serious, the fire department said.

The attacker, who police identified as 24-year-old Kyota Hattori, was arrested on the spot after Sunday's attack and was being investigated on suspicion of attempted murder, the Tokyo metropolitan police department said Monday.

Police said the attacker, riding an express train headed to Tokyo's Shinjuku station, abruptly took out a knife and stabbed a seated passenger - a man in his 70s - in the chest.

Injury details of the other 16 passengers are still being investigated, police said.

Police said he told authorities he wanted to kill people and get the death penalty. Nippon Television reported the attacker also said he used an earlier train stabbing case as an example.

Witnesses told police that the attacker was wearing a bright outfit - a green shirt, a blue suit and a purple coat - like the Joker villain in Batman comics or someone going to a Halloween event, according to media reports.

A video posted by a witness on social media showed the suspect seated, with his leg crossed and smoking in one of the train cars, presumably after the attack.

Tokyo police officials said the attack happened inside the Keio train near the Kokuryo station.

Television footage showed a number of firefighters, police officials and paramedics rescuing the passengers, many of whom escaped through train windows. In one video, passengers were running from another car that was in flames.

NHK said the suspect, after stabbing passengers, poured a liquid resembling oil from a plastic bottle and set it on fire, which partially burned seats.

Shunsuke Kimura, who filmed the video, told NHK that he saw passengers desperately running and while he was trying to figure out what happened, he heard an explosive noise and saw smoke wafting. He also jumped from a window but fell on the platform and hurt his shoulder.

“Train doors were closed and we had no idea what was happening, and we jumped from the windows,” Kimura said. “It was horrifying.”

The attack was the second involving a knife on a Tokyo train in three months.

In August, the day before the Tokyo Olympics closing ceremony, a 36-year-old man stabbed 10 passengers on a commuter train in Tokyo in a random burst of violence. The suspect later told police that he wanted to attack women who looked happy.

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