West Metro Fire officials say the shooting happened at about 3:30 p.m. Tuesday at Deer Creek Middle School in suburban Littleton, Colo., about 20 minutes south of Denver. Officials say the two victims are expected to survive.
It's unclear whether the suspect or the victims were students.
It's also unknown if the shooting happened inside or outside the school. The school is on lockdown and is expected to be evacuated to a nearby school at some point.