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3 people die while snorkeling in Florida Keys

Autopsies will be performed to determine causes of deaths

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KEY WEST, Fla. – Three people died Monday while snorkeling in the Florida Keys in three separate incidents, according to the Monroe County Sheriff's Office. 

Richard Guringer, 71, died at Lower Keys Medical Center after witnesses said he lost consciousness just after entering the water with his domestic partner during a dive trip. The San Antonio, Texas, man was said to be an experienced scuba diver.

An autopsy will be performed to determine his cause of death.

Larry Coltrin, 72, of Schaumburg, Illinois, also died Monday after he lost consciousness while snorkeling in the Dry Tortugas. The circumstances surrounding his death remain unclear.

Julia Thien was pronounced dead at Mariner's Hospital after she became unresponsive while on a snorkeling trip with her family. The 64-year-old from Wood River, Illinois, began having medical trouble after entering the water near Molasses Reef off the coast of Key Largo.

CPR was performed on board a boat until paramedics arrived to take over and take her to the hospital, where she died. An autopsy will be done to determine her cause of death. 

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