The child was taken to the hospital in a private vehicle.Credit: Metro ArchivePhiladelphia police are investigating the sudden death early Monday morning of a 3-year-old girl in West Oak Lane.Investigators said the child was transported by private vehicle from a home on the 6500 block of Ogontz Avenue to Albert Einstein Medical Center.She was pronounced dead shortly before 2 a.m.The incident is under investigation, as police await word from the medical examiner's office regarding the child's manner and cause of death.