RedactedNarrative: While paddle boarding during a yoga paddle board class victim fell off of the paddle board she was operating. She was taken under a railroad bridge by the swift current while being tethered to the paddle board. The tether became caught on part of the bridge structure. A witness cut her tether and swam her back to shore. CPR was administered by Southhold Town Police officers and Southhold Fire Dept. personnel.  The victim died.