Montgomery County Fire and Rescue spokesperson Pete Piringer said the incident involved three men and unfolded near the Great Falls area. The group had self-rescued onto the Virginia shoreline.
First responders with the MCFRS and Fairfax County Fire and Rescue both reported to the scene around 2 p.m.
Of the three people who fell into the water, one of the men suffered life-threatening injuries and was unconscious at the time, Piringer said. The man was later resuscitated and transferred by boat to get medical care…