A man died and a lifeguard was left in critical condition after they passed out doing underwater breath-holding exercises in a crowded swimming pool. Horrified families looked on as Bohdan Vitenko and Jonathan Proce, both 21, were found face down in 3ft of water at the Lyons Pool in Tompkinsville, Staten Island, New York. They were practicing techniques similar to those used in military training. Both men were taken to Richmond University Medical Center after they were rescued from the crowded pool at 8.25am. Officials confirmed Vitenko died at 9.45am while Proce, who works as a lifeguard for a pool...
