Keith Urban was uninjured in a motorcycle crash near his home in Sydney, Australia.
In a statement issued by his publicist, Paul Freundlich, Urban said he was "out riding to an AA meeting, a time when my privacy is especially important to me, (when) I felt myself being pursued" by a photographer on another motorcycle.
"I sped up, and in an effort to elude an oncoming car which was making an illegal U-turn, saw no choice but to drop my bike," the 39-year-old country singer said.
"In actual fact, my pursuer came to my assistance, without taking photos, and helped me from the road," Urban said. "I returned home, got my car, and continued on my way."
Urban said the incident was the result of "one person's desire to do his job and my desire to maintain my privacy."
The New Zealand-born Urban, who grew up in Australia, completed a three-month stint in rehab for alcohol abuse earlier this year.
He checked himself into the Betty Ford Center in Rancho Mirage, California, last October, less than four months after his wedding to Nicole Kidman.
The couple have a home in Nashville.
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