LIVE | 'Casualties' reported in shooting at Georgia high school, suspect in custody: Sheriff

Apalachee High School is successful Winder, astir 45 miles extracurricular of Atlanta.

Casualties were reported successful an active shooter concern astatine Apalachee High School successful Winder, Georgia, connected Wednesday morning, according to the Barrow County Sheriff's Office.

One fishy is successful custody, the sheriff's bureau said.

The incidental is implicit and a section infirmary is "treating aggregate gunshot wounds," according to 1 root briefed connected the situation.

Details connected the fig of victims and their conditions were not instantly clear, the sheriff's bureau said.

Students are seen extracurricular Apalachee High School successful Winder, Ga., connected Sept. 4, 2024.

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Senior Sergio Caldera, 17, said helium was successful chemistry people erstwhile helium heard gunshots astatine 11 a.m.

"My teacher goes and opens the doorway to spot what's going on. Another teacher comes moving successful and tells her to adjacent the doorway due to the fact that there's an progressive shooter," Caldera told ABC News.

He said his teacher locked the doorway and the students ran to the backmost of the room. Caldera said they heard screams from extracurricular arsenic they "huddled up."

At immoderate point, Caldera said idiosyncratic pounded connected his schoolroom doorway and shouted "open up!" aggregate times. When the knocking stopped, Caldera said helium heard much gunshots and screams.

He said his people aboriginal evacuated to the shot field.

Police are seen extracurricular Apalachee High School successful Winder, Ga., connected Sept. 4, 2024.

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Apalachee High School was "cleared for dismissal" and each different Barrow County Schools are connected a "soft lockdown," the Barrow County School District said.

"The Barrow County Sheriff's Office says this is for the information of everyone close now. Please bash not sojourn your child's schoolhouse astatine this time. We cannot merchandise students during a lockdown," the schoolhouse territory said successful a statement. "We volition fto you cognize arsenic soon arsenic BCSO says it is each wide for dismissal."

Winder is astir 45 miles extracurricular of Atlanta.

Agents from the FBI and the Georgia Bureau of Investigation are astatine the scene.

Georgia Gov. Brian Kemp said he's "directed each disposable authorities resources to respond."

Kemp said he's "praying for the information of those successful our classrooms, some successful Barrow County and crossed the state."

The White House says President Biden has been briefed connected the shooting and his medication volition proceed coordinating with federal, state, and section officials.

This is simply a processing story. Please cheque backmost for updates.

ABC News' Josh Margolin and Miles Cohen contributed to this report.