Amy Winehouse
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Friends and fans pay tribute to Amy Winehouse

The music world has been paying tribute to singer Amy Winehouse, 27, who has been found dead at her London home.

Her former producer Mark Ronson said: "She was my musical soulmate and like a sister to me. This is one of the saddest days of my life."

Comedian and actor Russell Brand posted a statement on his website, saying: "We have lost a beautiful and talented woman."

Police said the cause of Winehouse's death was as yet unexplained.

David Silitto reports.