Man dressed as Joker nabbed after attacking riders on Tokyo train

A 24-year-old man dressed in Batman’s Joker costume attacked passengers on a Tokyo train line on October 31 evening, injuring about 10 people as many party-goers headed into the city center for Halloween gatherings, Report informs referring to The Express Tribune.

Police arrested the suspected attacker on the spot, media reported. A man in his 60s was unconscious and in critical condition after being stabbed, while witnesses also said the attacker had spread fluid around the train and started a fire, according to media.

One video uploaded on Twitter and broadcast on NHK showed a steady stream of people running away from a train car where, seconds later, a small explosion caused a fire. Another video showed passengers rushing to squeeze out of the train's windows and onto the platform where the train had made an emergency stop.

The attack occurred on the Keio express line bound for Shinjuku, the world’s busiest rail station.