Whitney Houston's only child, Bobbi Kristina Brown was taken to a Los Angeles hospital Sunday, a police spokesman said.

The Beverly Hills Police Department told KABC-TV, Los Angeles, an ambulance was summoned Sunday morning to the Beverly Hilton Hotel in Beverly Hills, Calif., out of concern for Bobbi Kristina who appeared to be suffering from anxiety.

She was treated at the scene but transported to Cedars-Sinai medical center around 10:26 a.m. local time, less than 24 hours after the death of her mother, 48-year-old singer Whitney Houston.

Houston died Saturday in a room at the Beverly Hilton Hotel. The cause of death is under investigation but authorities allege bottles of prescription drugs were found in the hotel room where she died.

Her body was taken to the coroner in Los Angeles where an autopsy was begun Sunday.

Pastor Joe A. Carter led congregants in a prayer service Sunday at the Newark, N.J. church where Houston had been a member.

The pastor petitioned "the Lord on behalf of Whitney's daughter, her mother, and the entire Houston Family," a statement posted on the Web site of New Hope Baptist Church, said.

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.

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"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."