(CBD DETROIT) — Police say two people have died in a vehicle crash Thursday morning on Interstate 696 in Oakland County.

According to Michigan State Police, troopers responded to the crash at about 10:15 a.m. on westbound I-696 near I-275.

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A preliminary investigation revealed that a driver and passenger in a Buick LaCrosse were killed instantly when a 57-year-old driving a semi-truck couldn’t stop for traffic and rear-ended them. Three other vehicles were struck in a chain reaction.

Two other drivers were taken to the hospital for injuries believed to be non-life threatening.

Authorities say another vehicle, possibly, a semi-truck, may have also been hit and has passenger side damage. The driver may not know that they were involved, authorities say.

Westbound I-696 is closed with traffic exiting at Orchard Lake Road. Police say the freeway will remain closed for several hours and recommend avoiding the area.

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“There is only one exit before the crash scene and it takes considerable time to get traffic off the freeway,” MSP said in a tweet.

The crash is under investigation.

Anyone who witnessed the crash and did not talk to troopers is asked to contact 248-584-5740.

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