Drivers on southbound Interstate 5 in Lacey ran into lengthy backups Saturday after a fatal officer-involved shooting involving a driver who was suicidal, say officials.

According to Washington State Patrol, the incident began around 6:13 a.m. when a male driver in a black Dodge Charger called 911 while driving along State Route 167 in King County. He told a dispatcher he was distraught, suicidal and had a knife. He also incident he wanted to attack any police officer who pulled him over and was speeding. A WSP spokesperson said the man said he wanted "suicide by cop."

Around 6:48 a.m., troopers stopped the driver on southbound I-5 at milepost 110 at Carpenter Road in Lacey. Ignoring commands by state troopers, the driver got out of the vehicle and advanced at troopers with a knife. A trooper opened fire, hitting the suspect. The troopers rendered first aid until medics arrived. The driver died at the scene.

On Sunday, the Thurston County Coroner's Office confirmed the man killed as 22-year-old Michael Anthony Rude of Kent. Washington Military Department Communications Director Karina Shagren confirmed he was a private in the Washington National Guard.

Several agencies were handling the investigation, with Olympia Police Department taking the lead.

Several lanes of southbound I-5 were closed for several hours at Carpenter Road while detectives conducted their investigation, creating traffic backups that spanned for miles.

The trooper involved in the incident is an 18-year veteran with Washington State Patrol. He has been placed on paid administrative leave, per normal procedure.

Check traffic flow maps.