Published: Jul 27, 2011 5:44 PM EDT
Updated: Jul 27, 2011 4:44 PM EDT

HOLLYWOOD, Fla. (AP) - Authorities say an offensive lineman for Miramar High School's football team has died after collapsing during conditioning drills.
    
Broward County School District spokeswoman Nadine Drew told the South Florida SunSentinel that Isaiah Laurencin died Wednesday morning at Joe DiMaggio Children's Hospital in Hollywood. She says the high school senior collapsed about 5 p.m. Tuesday while participating in drills with his team.
    
He was taken to nearby Memorial Hospital West, and then transferred to Joe DiMaggio Children's Hospital.
    
Officials say the cause of death was not immediately known.

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