A woman and her baby fell through a storm grate Thursday and landed at the bottom of the storm drain 20 feet below the grate.

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The woman was carrying her baby, who is under a year old, through a parking lot when the storm grate inexplicably gave way around 6:37 p.m., according to Clarksville police.

A person walking by heard the baby’s cries but could not see anyone in the darkness and called 911. Emergency responders were able to safely remove the woman and child around 7:15 p.m.

The woman, who has not been identified, was taken by helicopter to a hospital for evaluation. She was conscious and talking with no visible signs of serious injury, police said.

The baby, who had a small cut but no apparent life-threatening injuries, was taken by ambulance to a hospital, police said.