A man has been arrested on suspicion of killing a passenger and injuring two in a knife attack on a bullet train.
The attack happened on the 12th carriage of the 16-car Shinkansen train carrying 800 passengers, which had just left Tokyo for Osaka on Saturday night. Some time after the departure of the young man suddenly began waving a knife and attacked were with him in the same vehicle passengers.
The police suspect that Kojima had a strong intent to kill.
Police arrested the 22-year-old unemployed suspect on suspicion of attempted murder, a police spokesman said.
Kotaro Umeda, a 38-year-old man from Hyogo Prefecture, was killed in the rampage, while two women in their 20s sustained injuries to their heads and shoulders, the police said. At least two knives were found at the scene of the crime. Some were holding removed seats, apparently to protect themselves. According to him, he didn't plan the attack and attacked the passengers of the train "only because I was highly annoyed".
"I have always been anxious about him", the woman said in a telephone interview with Kyodo News early Sunday. She had called his mobile phone several times recently but was unable to talk with Kojima directly. (JR Tokai) announced it would move up its plan to install more security cameras in bullet trains.
According to JR Central, an average of 446,000 passengers used Tokaido Shinkansen trains each day in fiscal 2015.
The incident took place on a bullet train travelling west in the south of Tokyo, which was carrying 880 passengers.