Troopers kill alleged I-495 road-rage stabber who left 1 dead, 3 hurt

FAIRFAX COUNTY, Va. (DC News Now) -- Two people are dead, including the suspect, and three others are hurt after a Sunday road-rage stabbing on Interstate 495 in Fairfax County, according to Virginia State Police.

Police said troopers responded to reports of a road-rage incident at 1:17 p.m. on I-495 southbound at exit 52.

There, four people were found suffering from stab wounds, including a 39-year-old woman, who later died from her injuries. A dog was also found to have been killed in the stabbing.

PREVIOUS COVERAGE: Police activity shuts down section of I-495 in Fairfax County

According to VSP, the suspect confronted troopers while armed with a knife, and the trooper shot him in self-defense. The man, whose identity has not been released, was pronounced dead.

Police said the trooper was not hurt during the encounter, and an initial investigation indicated that the stabbing occurred after a crash.

VSP emphasized that the stabbings are not believed to be terrorism-related.

The incident resulted in significant traffic delays with the Virginia Department of Transportation (VDOT) reporting that as of 5:30 p.m., all southbound lanes of the I-495 outer loop between Gallows Road and Little River Turnpike were blocked, with traffic being detoured at Exit 50A on Route 29/Route 50.

For real-time traffic updates, click here.

This is a developing story.