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AMY WINEHOUSE has been arrested for the second time this year, People.com reports.
"Amy Winehouse voluntarily attended a London police station today by appointment," her rep tells the mag. "She was arrested in order to be interviewed and is cooperating fully with inquiries. The interview relates to a video handed to police earlier this year."
The singer entered rehab at the end of January after video and stills surfaced that purportedly showed her using a crack pipe.
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