Deputies said the car then flipped over the guardrail and came to rest in a field, ejecting both women.
One of the women was flown to Miami Valley Hospital in a medical helicopter with serious injuries.
The other victim was taken to Reid Hospital in Richmond, Indiana with unknown injuries.
Deputies have yet to release the name of either victim and said both alcohol and speed are considered factors in the crash.
UPDATE @ 5:15 a.m.
Two people were injured in a single-car crash in Darke County, according to dispatchers.
One of the two victims was taken by CareFlight from the scene to an unknown hospital.
Initial reports indicate a car hit a guardrail in the crash.
Dispatchers said additional information will be available later today.
CareFlight has been called to the scene of a crash in the 1600 block of Mills Road in Darke County.
Crews were dispatched to the area around 2:56 p.m. on a report of a suspicious person.
Dispatchers said the suspicious person report was changed to a crash report once police arrived to the scene.
Initial reports indicate a man at the scene has suffered a head injury and is in an unknown condition.
We will continue to follow this story and provide updates with new information when available.
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