On Sunday, October 31, a man costumed as Batman villain the Joker was detained after allegedly slashing ten passengers on a Tokyo commuter train. Before setting fire to the carriage, the attacker sprayed what appeared to be oil around it, sparking panic among several occupants. During the attack, which took place on the Keio express line destined for Shinjuku, Japan’s busiest rail station, it was also stated that hydrochloric acid was thrown. One female student is believed to be seriously injured while at least nine others suffered injuries not believed to be life-threatening. According to loc…
