Passenger killed in knife attack on Japan bullet train

A knife attack on a Japanese bullet express train near Tokyo has left one passenger dead and two others injured.

Police say they arrested a suspect after the train made an unscheduled stop late on Saturday at Odawara station following an emergency call. The train was heading to Osaka from Tokyo.

A man has died after being stabbed on a train in Japan. Source: AAP

Police said on the suspect was on top of a man lying unconscious on the floor of the aisle with a knife stuck in his thigh when officers arrived. The victim was also stabbed in the neck and was later pronounced dead.

Police said two female passengers in their 20s were injured, though their conditions were not life-threatening.

Police are investigating the motive of the attack.