An unidentified man stabbed a teacher at a high school in the central city of Daejeon and ran away, police said Friday.
The suspect, believed to be in his 20s or 30s, stabbed the teacher at a high school in the Daedeok district in Daejeon, 139 kilometers from Seoul, at 10:03 a.m.
The teacher in his 40s was found unconscious and transferred to a hospital.
The suspect reportedly looked for the victim at a teachers' room, and upon hearing that he was in class, waited for him to come out before stabbing him and fleeing, officials said.
According to police, a witness reported hearing the teacher saying, "It is my fault."
Police said they are currently tracking the suspect.
Source: Yonhap News Agency