TOUCHET -- Walla Walla emergency crews were called to the Walla Walla River off Byrnes Road near Touchet on Wednesday night for a possible drowning.
Initial reports are that a swimmer jumped from a 10- to 14-foot cliff and was knocked unconscious.
Other swimmers in the area could not pull the person to safety.
Rescuers were called about 7:20 p.m.
The Walla Walla County Sheriff's Office said no information would be released until today.