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.
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.