At least 4 students, including shooter, injured in shooting at Colorado high school: Officials

At least four students were injured after a shooting at a high school in Evergreen, Colorado, on Wednesday afternoon, according to the Jefferson County Sheriff's Office.

The shooter is a student at the school who used a revolver handgun to shoot fellow students, the sheriff's office said in an update Wednesday.

The sheriff's office confirmed to ABC News that students from Evergreen High School, including the shooter, were transported to an area hospital. Officials said they received the first report of a shooting at the school at approximately 12:24 p.m. local time...