THE BRONX - Two babies in New York City are dead in two days after two different accidents.

Police say both babies suffocated when a family member accidentally rolled on top of them while sleeping. The latest incident happened in Wakefield on Friday. A 2-month-old baby girl was accidentally killed by her 11-year-old sister, who was sleeping in the same bed when she rolled on top of her.

The baby was rushed to Montefiore Medical Center shortly after midnight, but it was too late to save her.

Dr. Suzette Oyeku, the associate division chief of general pediatrics at the Children's Hospital of Montefiore, works closely with families to prevent accidental suffocation. She says doctors there assess sleeping arrangements when a baby is first born, and then again a week after birth.

Although parents may find it easier to sleep next to their baby, doctors say they want to make sure that co-sleeping is avoided as much as possible.

Dr. Oyeku says the best way to prevent accidental suffocation is to provide a flat space like a crib or play pen for the baby to sleep in without stuffed animals or pillows, and to have the child sleep on his or her back.