Bobbi Kristina Brown is "fighting for her life," her family said Monday.
The 21-year-old child of the late
"Bobbi Kristina is fighting for her life and is surrounded by immediate family," the Houston family said in a statement. "As her father already stated, we are asking you to honor our request for privacy during this difficult time.
"Thank you for your prayers, well wishes, and we greatly appreciate your continued support."
Bobby Brown had confirmed his daughter's hospitalization Saturday but released no details.
"Please allow for my family to deal with this matter and give my daughter the love and support she needs at this time," he said in a statement to the Los Angeles Times.
Bobbi Kristina, who has reportedly been on a respirator, showed "minimal response" to a test of her brain Monday, TMZ reported. The website said she'd been in a medically induced coma since Saturday. One major concern would be any neurological damage that occurred during the time her brain was deprived of oxygen.
Husband Nick Gordon and friend
Houston's cause of death at age 48 was ruled an accidental drowning, with heart disease and cocaine use listed as contributing factors.
Police, who were seeking a warrant to search the Brown-Gordon home, said no drugs were found "out in the open" on Saturday, Us Weekly reported.