Jurors began hearing opening statements Thursday in the murder trial of Karmelo Anthony, kicking off a closely watched Texas track meet stabbing case that has been surrounded by racial tensions and competing narratives.

Anthony, who is Black, is charged with first-degree murder in the fatal stabbing of fellow high school student Austin Metcalf, who is White, during a Frisco track meet in April 2025 and has maintained that he acted in self-defense. Both were 17 at the time.

In opening statements fatal confrontation that unfolded during a track meet at Frisco's Kuykendall Stadium on April 2, 2025.

According to the arrest report, the confrontation occurred inside a Memorial High School team tent during a weather delay. Investigators allege Anthony warned Metcalf, "Touch me and see what happens," before reaching into a bag and pulling out a knife.

Witnesses told police Anthony stabbed Metcalf in the chest during the encounter. Metcalf later died from his injuries.

According to police records, Anthony told responding officers that he acted in self-defense. Investigators also reported that Anthony made a spontaneous statement after being detained, telling officers, "I'm not alleged, I did it."

The case quickly became a national flashpoint, fueled by extensive social media commentary, allegations of misinformation, public demonstrations and fierce debate over the circumstances surrounding the fatal encounter.

If convicted of murder, Anthony faces a sentence ranging from five years to life in prison under Texas law.

Fox News' Brooke Taylor, Sarah Alegre, and Peter D'Abrosca contributed to this report.