Amy Winehouse Found Dead In London Home
Singer Amy Winehouse has been found dead at her home in Camden, north London, at the age of 27, police have confirmed.
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Sky's home affairs correspondent Mark White says it is believed the singer died of a suspected drug overdose but officially her death is being treated as "unexplained."
The London Ambulance Service was called to her flat just after 4pm but were unable to save her life.
Sky sources said the singer was "beyond help" when paramedics arrived.
Superintendent Raj Kohli of the Metropolitan police, said inquiries into her death were continuing:
"On arrival, officers found the body of a 27-year-old female who was pronounced dead at the scene...I can confirm that the deceased is Amy Winehouse."
A section of the street on which she lived had been cordoned off by police as fans gathered.
A spokesman for Amy Winehouse said:
"Everyone involved with Amy is shocked and devasted. Our thoughts are with her family and friends. The family will issue a statement when ready."
Singer Michelle Gayle told Sky News that Amy's father Mitch was "devastated." He is flying back to the UK from New York where he had been due to perform.
The Back To Black artist had cancelled all tour dates and engagements last month after a series of erratic public appearances.
Her final show was in Belgrade in June where she was jeered by fans after a shambolic performance.
She had appeared briefly on stage with her goddaughter Dionne Bromfield on Wednesday night.
Her record label, Universal, paid tribute to the star:
"We are deeply saddened at the sudden loss of such a gifted musician, artist and performer."
Amy Winehouse performing in 2006
She had been troubled by drink and drugs problems throughout her career.
Producer Mark Ronson, who had worked closely with Amy Winehouse said she was "his musical soulmate."
Tributes to the singer have also been posted on Twitter. Sarah Brown, the wife of former Prime Minister Gordon Brown said her death was a "terrible waste of a great talent."
Kelly Osbourne tweeted that she had "just lost 1 of my best friends" and fellow singer Lily Allen said Amy Winehouse's death was "beyond sad."
The managers of the singer's favourite pub,the Hawley Arms in Camden, told Sky News they were "devastated, she was a great friend."
Winehouse performing in  in 2007 
British singer  died today in her London home in Camden Square, aged 27. The cause of death is not yet known and is being treated as "unexplained", according to the metropolitan police.

"On arrival, officers found the body of a 27-year-old female who was pronounced dead at the scene", said a police statement on their website. An ambulance was called to her address where paramedics reported her dead on the scene at around 16:00 local time (15:00 UTC) in London.

Winehouse previously had problems with drugs and alcohol and checked herself out of rehab in June.