The 20-year-old victim was airlifted to a hospital.
The sheriff's office says both men are believed to be homeless.
The victim was in serious condition Friday at Harborview Medical Center in Seattle, the Sheriff's Office said.
More Local News Headlines
Local fire crews help battle Wenatchee blaze Two-year, $38.2B state budget passes; shutdown averted Snohomish County sheriff: Help us solve young couple’s 1987 murders Proposed ferry fares on deck at Whidbey Island hearing Granite Falls seeks grant to replace 81-year-old bridge Granite Falls to hike vehicle license fees by $20 Front Porch: Snohomish hosts outdoor movies Tulalip fire death blamed on outdoor burning that spread
Our new comment system is not supported in IE 7. Please upgrade your browser here.