HANGZHOU - Chinese Olympic swimming champion Sun Yang will be detained for seven days after local police found him driving without license in a car accident.

Sun was also fined for an undisclosed sum, Hangzhou police said on Monday.

Sun, 21, was not hurt in the accident in which his luxury Porsche SUV was rear-ended by a bus on Sunday afternoon in Hangzhou.

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Olympic champ Sun Yang draws unwanted attention

China's first male Olympic swimming champion Sun Yang hit the headlines Monday after he was caught driving without license.

Sun was driving luxury SUV Porsche Cayenne he claimed was borrowed from a relative when a bus hit his car from the back on Sunday afternoon in Hangzhou.