(CBS) — Two males were injured, one fatally, in a single-vehicle rollover crash early Monday on the Tristate Tollway near southwest suburban Hickory Hills.

About 4:12 a.m., the vehicle rolled over on the 95th Street ramp from the southbound lanes of I-294, according to Illinois State Police.

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One male was pronounced dead at the scene, police said. Another male was taken in serious condition to Christ Medical Center in Oak Lawn. Their ages were not known and the Cook County medical examiner’s office could not confirm the death.

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As of 6 a.m., the 95th Street ramp was closed to traffic, police said.

Additional details were not immediately available.

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