FINAL UPDATE: Westbound SR 18 fully reopened around 1:12 AM.
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Update 9:04 PM: The collision has one fatality. One additional patient is being transported by Bellevue Medics with life-threatening injuries.
SR 18 will remain closed while the Washington State Patrol investigates.
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Original Story
At approximately 8:16 PM on June 27th, Eastside Fire & Rescue reported a motor vehicle collision on SR 18 westbound at Tiger Mountain (MP 24), blocking all lanes.
Highway 18 is closed in both directions.
Please avoid the area if possible.
This story will be updated as more information becomes available.