LOS ANGELES (AP) - Sean Kanan, who appeared in the daytime soap operas ''The Bold and the Beautiful'' and ''General Hospital,'' has pleaded not guilty to misdemeanor charges of driving under the influence.

Kanan's plea was on Monday. The actor was arrested Aug. 18 and faces one count each of driving under the influence of alcohol and/or drugs and driving with a blood-alcohol level above the state limit of .08 percent, said city attorney spokesman Frank Mateljan.

Besides his work in soap operas, Kanan played Ralph Macchio's nemesis in ''Karate Kid III.''

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