Boise Fire officials believe the man suffered a cardiac arrest while trying to climb back onto his inner tube.

BOISE, Idaho — The Ada County Coroner's Office has released the name of a man who died after falling from an inner tube into the Boise River Monday.

The victim was identified Tuesday as 71-year-old Donald L. McLean of Meridian.

Boise Fire told KTVB that McLean had fallen into the water while floating the river, and appeared to have a heart attack as he tried to climb back onto his tube.

He was taken by ambulance to St. Luke's Medical Center, but was pronounced dead at the hospital.