A 21-year-old woman was killed and a 47-year-old man was injured in a fatal crash early Sunday morning on Interstate 5 near 272nd Street, according to the Washington State Patrol (WSP).
The collision occurred at approximately 12:14 a.m. on March 2, 2025, near milepost 146, blocking multiple northbound lanes near Kent for more than three hours as authorities investigated the scene.
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Crash Details
According to WSP, the incident involved two vehicles traveling northbound:
Vehicle 1 – a 2024 Mercedes GLS SUV – was in the far-right lane (lane 5)
Vehicle 2 – a 2024 Toyota Tacoma pickup truck – was in lane 3
The Mercedes SUV struck the left side of the Toyota Tacoma, causing it to veer off the roadway and come to rest in a roadside ditch. The Mercedes rolled multiple times before stopping in lane 1.
The crash led to a road closure for 3 hours and 26 minutes as emergency crews responded.
Victims Identified
Authorities identified the driver of the Mercedes GLS as Siham I. Hassan, 21, of Federal Way. She was transported to Harborview Medical Center, where she was pronounced deceased.
The driver of the Toyota Tacoma, Brian E. Chesvick, 47, of Gig Harbor, suffered non-life-threatening injuries.
Investigators noted that Hassan was not wearing a seatbelt, while Chesvick was buckled in at the time of the crash.
Investigation Ongoing
The cause of the collision remains under investigation, and authorities have not yet determined whether drugs or alcohol were contributing factors.
WSP is urging any witnesses or individuals with additional information to come forward as the investigation continues.
