`` We 're a tough state . NEW : Mayor of Moore does not expect death toll beyond 24 . The mayor said the city is still trying to determine how many people were killed in the tornado and whether they are trapped under debris. Hornsby , 9 , is among the children killed at the school , her father says . Authorities revise death toll downward to 24 , including nine children . Crews going `` board by board '' in search for survivors , victims , official says .
NEW : Mayor of Moore does not expect death toll beyond 24 . The mayor said the city is still trying to determine how many people were killed in the tornado and whether they are trapped under debris. Hornsby , 9 , is among the children killed at the school , her father says . Authorities revise death toll downward to 24 , including nine children . Crews going `` board by board '' in search for survivors , victims , official says .