Slideshow

Fatal Japan Knife Attack

01 / 12

Fatal Japan Knife Attack

This aerial photo shows the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. Authorities say a number of people have been stabbed in an attack. (Kyodo News via AP)

02 / 12

Fatal Japan Knife Attack

A man pays respects at a makeshift memorial for the victims of a knife attack Tuesday, May 28, 2019, in Kawasaki, just outside Tokyo. A man carrying a knife in each hand has attacked a group of schoolgirls waiting at a bus stop just outside Tokyo. (AP Photo/Jae C. Hong)

03 / 12

Fatal Japan Knife Attack

People pay their respects at a makeshift memorial for the victims of a knife attack Tuesday, May 28, 2019, in Kawasaki, just outside Tokyo. A man carrying a knife in each hand has attacked a group of schoolgirls waiting at a bus stop. (AP Photo/Jae C. Hong)

04 / 12

Fatal Japan Knife Attack

A man pays respects at a makeshift memorial for the victims of a knife attack Tuesday, May 28, 2019, in Kawasaki, just outside Tokyo. A man carrying a knife in each hand has attacked a group of schoolgirls waiting at a bus stop. (AP Photo/Jae C. Hong)

05 / 12

Fatal Japan Knife Attack

This aerial photo shows the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. Authorities say a number of people have been stabbed in an attack. (Jun Hirata/Kyodo News via AP)

06 / 12

Fatal Japan Knife Attack

Rescuers work at the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man wielding a knife attacked commuters waiting at a bus stop just outside Tokyo during Tuesday morning's rush hour, Japanese authorities and media said. (Kyodo News via AP)

07 / 12

Fatal Japan Knife Attack

Rescuers work at the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man wielding a knife attacked commuters waiting at a bus stop just outside Tokyo during Tuesday morning's rush hour, Japanese authorities and media said. (Kyodo News via AP)

08 / 12

Fatal Japan Knife Attack

This aerial photo shows the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man wielding a knife attacked commuters waiting at a bus stop just outside Tokyo during Tuesday morning's rush hour, Japanese authorities and media said. (Jun Hirata/Kyodo News via AP)

09 / 12

Fatal Japan Knife Attack

This aerial photo shows the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man wielding a knife attacked commuters waiting at a bus stop just outside Tokyo during Tuesday morning's rush hour, Japanese authorities and media said. (Jun Hirata/Kyodo News via AP)

10 / 12

Fatal Japan Knife Attack

Rescuers work at the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man wielding a knife attacked commuters waiting at a bus stop just outside Tokyo during Tuesday morning's rush hour, Japanese authorities and media said. (Kyodo News via AP)

11 / 12

Fatal Japan Knife Attack

A school bus, center, is parked at the scene of an attack in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man wielding a knife attacked commuters waiting at a bus stop just outside Tokyo during Tuesday morning's rush hour, Japanese authorities and media said. (Kyodo News via AP)

12 / 12

Fatal Japan Knife Attack

Women pray after offering flowers near the scene where a man wielding a knife attacked commuters in Kawasaki, near Tokyo Tuesday, May 28, 2019. A man carrying a knife in each hand and screaming "I will kill you!" attacked a group of schoolgirls and adults as he walked toward a bus stop just outside Tokyo on Tuesday, officials said(Kyodo News via AP)