Two people have been reported shot inside Arapahoe High School located in a suburban area in Denver, Colorado.

Multiple Denver news outlets are reporting that it is still an 'active shooter situation.'

Arapahoe High School is located in the same district as Columbine High School, a site which is infamous for the 1999 mass shooting spree.

Denver Post reporter Ryan Parker says witnesses at the scene report that the shooter is a student of the schoo; l. Students are still locked in the rooms while the situation is ongoing

UPDATE: 3:20 P.M.: The Associated Press has reported that they have received word from a Colorado Sheriff that the shooter has killed himself. One student is reported to be in critical condition.

[ABC YAHOO News]