WARNING: This story contains discussions of a school shooting. 

UPDATE: Dec. 1 at 1:00 p.m. EST.

A fourth student has died following a shooting that happened at Oxford High School in Michigan on Tuesday afternoon.

ABC News reported Justin Shilling, 17, died at about 10:45 a.m. Wednesday. The students who died on Tuesday range in age from 14 to 17.

Seven people were also wounded, including a teacher. In an interview on CNN Wednesday morning, Oakland County Sheriff Michael Bouchard said at least one of the wounded victims is currently in critical condition.

The suspected shooter has been identified as a 15-year-old sophomore at the school.

“He came out with the intent to kill people. He was shooting people at close range often times toward the head or chest,” Sheriff Bouchard said. “It’s chilling. It’s just absolutely cold-hearted murderous.”

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A suspect is in custody after at least three people were killed and six others wounded, including a teacher, in a shooting at Oxford High School in Michigan on Tuesday, as reported by CBS News. 

CBS reported the lone suspect is reportedly a 15-year-old sophomore at the school. They were taken into custody without incident within five minutes of the initial call, which police responded to around 12:51 p.m. 

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A semi-automatic handgun was recovered from the scene. 

This is a developing story and it will be updated as more information becomes available. 

If you or someone you know is struggling from trauma triggered by this story, resources are available here.