1 killed, 5 injured in shooting at US school

A student was killed and five people injured in a shooting Thursday morning at Perry High School in Iowa, officials said.

The suspected shooter -- a student at the high school -- is also dead of an apparent self-inflicted gunshot wound, according to Mitch Mortvedt, assistant director of the Iowa Department of Public Safety's Division of Criminal Investigation.

Five students were among the shooting victims, including a sixth grader who died, Mortvedt told reporters during a press briefing Thursday afternoon.

Perry High School Principal Dan Marburger was also among those shot, the Perry Community School Board and the Easton Valley School District confirmed.

One victim was in critical condition, while the other four were stable, Mortvedt said.

An active shooting incident was reported at approximately 7:37 a.m. local time, police said.

"Police officers responded within minutes. They immediately made entry and witnessed students and faculty either sheltering in place or running from the school," Mortvedt said.

The suspected shooter -- identified as 17-year-old Dylan Butler -- was found dead with a pump-action shotgun and a small-caliber handgun, Mortvedt said.

A "rudimentary" explosive device was also located in the school and rendered safe, Mortvedt said.

Butler also appeared to have maintained a now-suspended profile on Reddit. Law enforcement sources confirmed to ABC News they are reviewing the profile, which contained a photo posted in January 2021 appearing to show Butler brandishing a revolver.

Roughly 150 officers from local, state and federal agencies responded within the hour, officials said. Among them, the FBI's resident agent at its Des Moines office responded to the scene to assist the Iowa Division of Criminal Investigation, the FBI said. The Bureau of Alcohol, Tobacco, Firearms and Explosives was also on scene.

The U.S. attorney general has been briefed on the incident, a Department of Justice spokesperson said._Agencies.