(CNN) A 14-year-old collapsed and died during football practice at a Florida high school Tuesday.

Hezekiah Walters, an incoming freshman at Tampa's Middleton High School, collapsed during drills around 4 p.m., police said. He was taken to a nearby hospital, where he was pronounced dead.

Walters collapsed around 30 minutes into an outdoor practice at the school's football field that included weightlifting and wind sprints. Coaches immediately called 911 when they saw he collapsed.

Medical examiners are working to determine the cause of death.

"We are devastated by the death of one of our students," said Tanya Arja, a spokesperson for the county's public schools. "This student was an amazing young man who was loved by his friends, teachers and staff at school."

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