Back at the World Figure Skating Championships for the first time in two years, Olympic champion Kim Yu-na looked as if she'd never been away Saturday night.

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In the first of the Tuesday matches under scrutiny, Wang and Yu played South Korea's Jung Kyung-eun and Kim Ha-na in a game in which "neither side seemed to be exerting themselves, " the official Olympic news service said.

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In the first of the Tuesday matches that prompted the uproar, Wang and Yu played South Korea's Jung Kyung-eun and Kim Ha-na in a game in which "neither side seemed to be exerting themselves, " the official Olympic news service said.

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