Police arrested a 17-year-old high school student from the city of Saitama on suspicion of attempted murder after a 60-year-old teacher was stabbed on Wednesday at a junior high school in Toda, Saitama Prefecture.
Police received a call at around 12:25 p.m. reporting that a man with a knife had stabbed another man at Misasa Junior High School.
The teacher was stabbed a number of times on the upper part of his body as he tried to seize the suspect. He was conscious when he was taken to hospital and the injuries were not life-threatening, according to the city's board of education.