Joni Mitchell is 'awake and in good spirits' after being rushed to hospital when she was found unconscious at her home on Tuesday. The 71-year-old singer is currently being treated in intensive care. A message posted on her twitter account read: 'Joni is currenly in intensive care in an LA area hospital but is awake and in good spirits. More updates to come as we hear them.' Scroll down for video . Medical emergency: Joni Mitchell, pictured left in February this year and at the Isle of Wight festival in 1970, is currently in intensive care . Updates: A message about Mitchell's condition was posted to her official Twitter on Tuesday night . Earlier her website urged fans to: 'Light a candle and sing a song, let's all send good wishes her way.' Sources earlier told TMZ that a 911 call was received from Joni's Los Angeles home at 2.30pm, with the caller stating she was unconscious. Paramedics who responded reported that the Big Yellow Taxi singer was 'alert' during the journey. It is not yet known what prompted the medical emergency. Mitchell has been known to retreat inside her Spanish-style villa and not venture out for extended periods of time. She has lived in the Bel-Air home alone since 1974 and has previously spoken about how she enjoys her autonomy. 'Yes, you can call me a recluse,' she told The Star in 2013. 'But I like living alone.' The Canadian-born singer has won eight Grammys in her career and was one of the most iconic stars of her generation. Scene: The folk icon was reportedly found by paramedics around 2.30pm on Tuesday after an emergency call from her house in Bel-Air, where she has lived since 1974 . Last year, Mitchell, who was inducted into the Rock and Roll Hall of Fame in 1997, admitted she endured years of turmoil after being diagnosed with the rare condition Morgellons disease, which made her believe parasites were living under her skin. The condition is not acknowledged by Western medicine, which considers it psychological. Iconic:  The Canadian-born singer won eight Grammys in her career and was one of the most iconic stars of her generation . In the memoir, Joni Mitchell: In Her Own Words, she revealed: 'At the height of my illness I could not even wear clothing. 'All the time it felt like I was being eaten alive by parasites living under my skin. I couldn't leave my house for several years. 'Sometimes it got so bad I couldn't walk and I'd have to crawl across the floor. My legs would cramp up, just like I was having a polio spasm.' Mitchell is known to have a history of health issues, having also overcome polio and scarlet fever. Recent interview: Joni Mitchell invited CNN into her home last year for a in-depth sit-down interview. She spoke of her career, health and being referred to as a 'recluse' The singer, who gave up singing in 2010 because 'six decades of heavy smoking have finally robbed me of my voice,' also previously revealed she suffered from insomnia and acute paranoia. She has been smoking since she was nine. A spokesman for the star did not immediately respond to a request for comment.
911 call placed from inside the singer's home about 2.30pm Tuesday . She was reported to be unconscious, but paramedics said she was alert when they arrived . She was taken to intensive care in LA, but her condition remains unknown . Website urges fans to 'light a candle and sing a song'
Mitchell is known to have a long history of health issues .