India, Sept. 11 -- A ghastly shooting unfolded Wednesday at Evergreen High School in Jefferson County, Colorado, leaving one student dead and two others injured. Authorities say the gunman, a male student, shot two of his classmates before turning the weapon on himself. He later died at the hospital.

Denver 7 reported that all three victims were taken to CommonSpirit St. Anthony Health Center. Dr. Brian Blackwood, head of the trauma unit, said that one student remains in critical condition while the other suffered non-life-threatening injuries and is in stable condition.

Sheriff's officials said a fourth individual may also have been hospitalized, though details remain unclear.

Jacki Kelley, spokesperson for the Jefferson County Sherif...