DANIA BEACH, Fla. - Playboy model Anna Nicole Smith died of an accidental drug overdose after she was found unresponsive at a hotel, authorities said Monday.

“We found nothing to indicate any foul play,” said Chief Charlie Tiger of the Seminole police department.

Neither Tiger nor Broward County Medical Examiner Joshua Perper immediately said what drug or drugs were involved in her death. Perper said the detailed autopsy showed no evidence of disease.