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GARFIELD COUNTY, Colo. — Two people were killed in a single-vehicle rollover crash on Interstate 70 on Monday night, the Colorado State Patrol said.

The crash happened about 5 p.m. in the westbound lanes between Rifle and Silt. Five people were in the vehicle.

Two were pronounced dead at the scene and three others were taken to a hospital in Grand Junction. Two of the injured were airlifted.

Traffic was diverted to westbound Highway 6 at mile marker 97 while the crash was investigated. The interstate was closed for about four hours.

The cause of the crash is under investigation.