The 17-year-old suspect has been accused of stabbing another teenager Texas High School Track and Field Competition Allegedly admitted to police shortly after the fatal attack.

Authorities have charged Karmelo Anthony, a student-athlete from Frisco Centennial High School, He is allegedly stabbed Austin Metcalf, 17, a junior at Frisco Memorial High School, died Wednesday morning over a seat dispute.

According to the arrest report, a school resource officer was the first to arrive at the scene and comfort Tony. Fox 4 Dallas-Worth.

“I gave suspicious instructions to raise his hands. During this time, the suspect yelled, ‘I am protecting myself,’” said in response to the report from the resource officer.

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Karmelo Anthony, 17, was arrested and charged with first-degree murder in connection with the stabbing death of 17-year-old Austin Metcalf. (FOX DFW)

The suspect also allegedly told officer Metcalf to “put his hand” on him.

When the officer told others that he had Suspicion of stabbing the suspect According to the arrest report obtained by Fox 4, Anthony apparently said in custody: “I have no suspicion. I did.”

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Austin Metcalf, 17, was killed in a track and field competition in Frisco, Texas. (Jeff Metcalf)

“He put his hand on me. I told him not to,” Anthony allegedly said when authorities brought the teenager to the police car.

Fox 4 reported that Anthony also asked officer Metcalf if he would be “right” and asked if what happened could be considered “self-defense.” Police documents.

Archived photos of Jeff Metcalf with his son Austin Metcalf, who was allegedly stabbed by 17-year-old Karmelo Anthony in a track and field competition in Texas. (Petitive Jeff Metcalf)

Metcalf’s twin brother Hunter recalls his brother when he met his sad mother Meghan on Wednesday on Wednesday’s “Will Cain Show”.

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“I looked up and suddenly, I saw him running from the stands looking at the chest…I put my hand there and tried to stop (bleed) and I grabbed his head and I looked into his eyes. I just saw his soul leave, and I grabbed my soul, too,” Hunter said. ”

Anthony was held in the Collin County Jail on $1 million bail.

Madeliene Coggins of Fox News contributed to the report.