Tarrant County authorities say a deputy constable has died of an apparent heart attack during training.
Constable Ruben Garcia says Deputy Mark Diebold had completed a tactical team qualification Thursday when he was stricken.
Members of the tactical team performed life-saving measures and called for an ambulance. He was pronounced dead at Alliance Medical Center in Fort Worth.
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Visitation has been set for Monday September 11 from 6 p.m. until 8 p.m. at Greenwood Funeral Home at 3100 White Settlement Road in Fort Worth.
Funeral Services will be held Tuesday September 12 at 11 a.m. at Capstone Church at 4823 SW Loop 820 in Benbrook. Ceremonial Honors will follow the service.