School shooting

Editor's note: This story was originally published in October and has been republished with updates following the shooting Wednesday in Florida.

It was the deadliest school shooting since a gunman took 26 lives at Sandy Hook Elementary in Newton, Conn. On Wednesday, a shooter killed at least 17 people at Marjory Stoneman Douglas High School in Parkland, Fla.

Updated at 2:40 a.m. ET on Thursday

The Broward Sheriff's Office has identified the suspect in Wednesday's deadly school shooting as 19-year-old Nikolas Cruz, a former student who had been expelled for disciplinary reasons. Law enforcement says Cruz carried out the attack that killed at least 17 people at Marjory Stoneman Douglas High School and left others hospitalized with gunshot wounds.

Cruz is now in police custody after briefly receiving treatment at a local hospital.

Updated at 10 p.m. ET

The Broward, Fla., sheriff said 17 people are dead in the Wednesday shooting at Marjory Stoneman Douglas High School in the city of Parkland, northwest of Fort Lauderdale. He said a suspect is in custody.

In news conferences after the incident, Sheriff Scott Israel said 12 of the people who died were found inside the school building and two were found just outside. Another victim was on the street, and two people died at the hospital.

In 2013, Las Cruces High School in New Mexico created a training video to teach students how to perform a "lockdown" drill.

In the video, the teacher turns off the lights, locks the door, and places a black strip of paper over the door's window. The students close the blinds and huddle on the floor, away from the windows and the door.

Debbie Holmes

Columbus Police say an armed suspect was arrested without incident by SWAT officers at Scioto High School, after responding to reports of an active shooter.

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A judge has ordered a 17-year-old Hilliard boy tried as an adult on suspicion of plotting a school shooting.

West Liberty-Salem School District

The Champaign County prosecutor says he will ask that a school shooting case be moved to the adult criminal justice system, and more charges are expected.

West Liberty-Salem School District

The Champaign County Sheriff's Office confirms a male student was injured in a shooting on the grounds of West Liberty High School Friday morning. Another student suspected in the shooting is in custody.

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A Hilliard Davidson High School student is in custody after prosecutors said he was planning a school shooting.

A 15-year-old boy accused of shooting and wounding two students in an Ohio cafeteria has pleaded guilty in juvenile court to four attempted murder charges and one charge of inducing panic.

Butler County's prosecutor dropped four felonious assault charges against James Austin Hancock. 

Hancock was charged in the Feb. 29 shooting at Madison Local Schools near Middletown, north of Cincinnati.

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