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The incident happened at about 4:45 p.m. near Teal Run North Park in the 3900 block of Caramel Point Court.
According to the sheriff's office, Fagan was outside at a back-to-school event in the area when he suddenly collapsed.
According to a witness, people in the medical field were in attendance who rushed to the sheriff's aid and called 911.
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The Fresno Fire Department responded and transported the sheriff via ambulance to Memorial Hermann Downtown for precautionary reasons.
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Officials did confirm shortly after that the sheriff's condition was checked out and he was released from the hospital.
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