Bath Township police said Monday evening that 53-year-old Jose Herrera of Lansing and 56-year-old Peggy Smith were the two killed in Saturday morning's accident on I-69. It's unclear where Smith lived.
Eight others were injured.
Police said a Chevy Cavalier, driven by 24-year-old Shawna McGee of Lansing, rear-ended a pickup truck. The truck ran off an embankment, rolled several times, ejecting several passengers.
Police said alcohol and speed are not thought to be factors.
"It appears the driver of the Cavalier fell asleep."
The Clinton County Prosecutor's office will decide on possible criminal charges after police finish their investigation.
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