A child is passed along a human chain of people after being pulled from the rubble of the Plaza Towers Elementary School in Moore, Okla., and passed along a human chain of rescuers.

MOORE, Okla. - The state medical examiner's office has revised the death toll from a tornado in an Oklahoma City suburb to 24 people, including seven children.

Spokeswoman Amy Elliot said Tuesday morning that she believes some victims were counted twice in the early chaos of the storm. Authorities said initially that as many as 51 people were dead, including 20 children.

Teams are continuing to search the rubble in Moore, 10 miles south of Oklahoma City, after the Monday afternoon tornado.