TAMPA, Fla. — An exercise rider at a Florida horse track died Saturday in a training accident, officials said.

Tampa Bay Downs said Daniel Quintero, 19, died while working with horses before 7 a.m., but declined to give further details.

“The entire racetrack community expresses its condolences to his family members and friends,” track officials said in a statement. A moment of silence was held for Quintero before Saturday’s race card began.

Hillsborough County sheriff’s spokesperson Marco Villarreal said detectives are investigating the death, but it does not appear foul play was involved.

Track announcer Jason Beem told The Tampa Bay Times that Quintero was killed in an accident involving two horses. He told the newspaper that the horses were not hurt.