Relatives say an 18-year-old Fort Worth student complained of breathing problems before he died after baseball practice.
The Tarrant County medical examiner's office confirms Ryan Powell died Tuesday at about 6:40 p.m. at the Texas Health Harris Methodist Hospital in Southwest Fort Worth. A cause of death was not listed on the office's Web site.
A spokesman for the office did not immediately return messages Wednesday from The Associated Press.
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The teen had practiced Tuesday, trying out for the Southwest High School varsity, then experienced discomfort about an hour after arriving home. His parents called for an ambulance.