The incident was took place inside the Arapahoe High School where a gunman has been died and one student girl is injured and is in critical condition. The injured girl rushed to hospital and the condition of girl is not good at as accordance to doctors.
According to the police an 18 years old student whose name was Karl Halverson Peirsen entered into with weapon in Arapahoe High School with approximately time of 12:30 pm and asked teacher name. The name of teacher is Tracy Murphy when the student chased the required teacher, the teacher instantaneously active shooter protocols.
Police started to search the Perisen and about 15 minutes Perisen Found dead in a classroom and one girl was seriously injured. Moreover 2 students were also been injured who has been discharged from hospital after early treatment.