Bobbi Kristina Brown, Whitney Houston's daughter, suffered a "complete breakdown" after learning of her mother's death in Los Angeles, sources told People.com.
"[Bobbi Kristina] was screaming: 'What's wrong with her? What's wrong with her?," People.com quoted an unidentified source close to the family as saying.
Bobbi Kristina, who also is the daughter of singer Bobby Brown, was taken to Cedars Sinai Medical Center Saturday night "because she was having a complete breakdown," the insider said.
She returned to the hospital a second time Sunday morning.
"She went back to the hospital for the same thing -- stress and anxiety," the family source said. She has since been released, People.com reported.The cause of Houston's death at age 48 is under investigation, but authorities allege bottles of prescription drugs were found in the hotel room where she died. Houston had long battled addictions to drugs and alcohol.
An autopsy was begun Sunday to determine the cause of her death.
The pastor petitioned "the Lord on behalf of Whitney's daughter, her mother, and the entire Houston family," said a statement posted on the Web site of New Hope Baptist Church.
Houston's mother, Cissy Houston, a renowned performer of gospel and pop music and director of the church's sacred music for more than half a century, had been in touch with Carter who said "she needs our prayers and support," CNN reported.
"Whitney was a mother, a daughter, a sister, and that's the focus that we want to keep in front of everyone today, to continue to lift the family up and respect this time of grief," Carter said.
The history of New Hope Baptist Church is "deeply associated with the power of Whitney's voice and the influence that she's had, not only in this church but across the world," Carter said. "We're saddened at this loss."