Los Angeles: Whitney Houston's daughter Bobbi Kristina Brown was taken to hospital after being found unconscious in a tub full of water at her home.

The 21-year-old was unresponsive when found by her husband Nick Gordon and a friend at her townhouse in a Roswell subdivision. She was taken to North Fulton Hospital "still alive and breathing", reported Us Weekly.

"He started CPR and a police officer took over life-saving measures until an ambulance arrived. She was transported to the hospital. Please keep her and the family in your thoughts and prayers," said a representative for the
Roswell, Georgia Police Department.

The incident comes nearly three years after her famous mother died in the same manner. Love and well wishes were sent by friends and fans in the wake of the shocking news.

"Healing energy to the daughter of a late great friend," tweeted music director Michael Bearden. Meanwhile, songwriter Diane Warren wrote, "I hope Bobbi Kristina gets the help she needs. Poor thing, almost 3 yrs to the day her mom passed and the same thing almost happened to her."

Three years ago, a grieving Bobbi Kristina was taken to Cedars-Sinai Medical Center days after her mother's death. She is Whitney's only daughter with ex-husband Bobby Brown. The late singer was found drowning in a bathtub in a suite at the Beverly Hilton hotel on the eve of the 2012 Grammy Awards.