Whitney Houston's brother-in-law, Billy Watson, said Monday the U.S. singer's death was accidental and she had no intention of committing suicide.

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Houston, 48, was found dead in her Los Angeles hotel room Saturday.

"Oh, no, this is accidental," Watson said, apparently reacting to speculation on the Internet that Houston's death may have been a suicide. "She wouldn't have left her daughter like that. She wouldn't have done that to her daughter."

Watson was responding to reports that his sister-in-law's death was a suicide.

Houston's official cause of death will not be determined for six to eight weeks, pending toxicology results, ABCNews.com reported.

Ed Winter, assistant chief coroner in Los Angeles, said officials do not know what caused the singer's death.

Prescription drug bottles were found in Houston's hotel room, but said there wasn't anything "alarming" or "out of the ordinary" about them, Winter said.

"I have more prescriptions than what was found in her [Houston's] room," he said.

TMZ reported that coroner's officials told family members that Houston likely died from a combination of the drug Xanax and other prescription medication mixed with alcohol.