Police blockade the scene of a stabbing incident at the Jiangzicui Station of the Taipei Metro. Photo: AFP

Officials block areas where a knife attack occurred on a subway platform as passengers watch from the floor above in Taipei. Photo: AP

Police blockade the platforms from commuters. Photo: AFP

A view of the crime scene from above the platform. Photo: AFP

A police officer takes photos for evidence at the scene of the crime at Jiangzicui Station. Photo: AFP

Knifeman who stabbed four to death on Taipei subway had 'planned attack for years'

Police say university student ran amok on a train, stabbing passengers at random

Published: 6:14pm, 21 May, 2014

Updated: 3:12pm, 22 May, 2014

Police blockade the scene of a stabbing incident at the Jiangzicui Station of the Taipei Metro. Photo: AFP

Officials block areas where a knife attack occurred on a subway platform as passengers watch from the floor above in Taipei. Photo: AP

Police blockade the platforms from commuters. Photo: AFP

A view of the crime scene from above the platform. Photo: AFP

A police officer takes photos for evidence at the scene of the crime at Jiangzicui Station. Photo: AFP

READ FULL ARTICLE