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Two people were killed and six others injured in a crash of a motorhome on Interstate 90 near mile post 109 Monday afternoon, according to a Washington State Patrol report.

According to the State Patrol, the crash was caused by a blown tire.

Lois Edelbrock, 61, of Snohomish died at the scene of the crash. Kaci Edelbrock, 6, of Snohomish died at Kittitas Valley Healthcare.

The 40-foot, 2007 Beaver motorhome and trailer was traveling westbound on I-90 in lane two of three when the vehicle suffered a blown tire and lost control. It then crossed lane three, left the roadway to the left and struck the guardrail, and entered the median before continuing down the embankment coming to rest in a creek that passes below I-90.

The following individuals were involved:

The driver, Michael Edelbrock, 62, of Snohomish was airlifted to Harborview Medical Center.

Jessica Edelbrock, 41, of Snohomish was airlifted to Harborview Medical Center.

Chase Edelbrock, 3, of Monroe was airlifted to Harborview Medical Center.

Hank Edelbrock, 6, of Monroe was airlifted to Virginia Mason Memorial.

Lane Edelbrock, 15, of Snohomish was transported to Kittitas Valley Healthcare.

Cody Edelbrock, 13, of Snohomish was airlifted to Virginia Mason Memorial.

Reese Edelbrock, 8, of Monroe was not injured and was released to her father.

The investigation is pending, but as of around 9 p.m. Monday, eastbound and westbound lanes had opened, according to trooper Brian Moore.

Patients were airlifted from both KVH and Mountain View Park.

UPDATE 11:30 a.m.

According to Susan Gregg, director of media relations at Harborview Medical Center, said Michael Edelbrock is in serious condition in the intensive care unit. Jessica Edelbrock and Chase Edelbrock are in satisfactory condition.

Virginia Mason Memorial was unable to comment about Hank Edelbrock and Cody Edelbrock.

Kittitas Valley Healthcare has not been reached regarding the status of Lane Edelbrock.

UPDATE 12:45 p.m.

According to Michele Wurl, director of communication at KVH said Lane Edelbrook was treated and released.