Golf star Tiger Woods has apologised to his family, amid continuing speculation about his private life following a car crash last week.
"I have let my family down and I regret those transgressions with all of my heart," he said in a statement, without elaborating further.
"I have not been true to my values and the behaviour my family deserves."
Woods was found bleeding and semi-conscious after his car hit a tree and fire hydrant outside his Florida home.
He was charged with careless driving, which carries a $164 (�98) fine and four points on his driving record.
The 14-time major champion has been married to his Swedish wife Elin for five years and has two young children.
He denied rumours that physical violence played any role in the incident, saying they were "utterly false and malicious".
In his statement, he also said: "Personal sins should not require press releases and problems within a family shouldn't have to mean public confessions.
"I will strive to be a better person and the husband and father that my family deserves."
His statement follows a story in a US gossip magazine in which a Los Angeles cocktail waitress claims to have had a 31-month affair with Woods.
Us Weekly magazine posted online an audio clip of what was purported to be Tiger Woods begging the 24-year-old woman to take her name off her voicemail greeting in order to hide their affair. The caller's identity has not been verified.
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