off an overpass on to a transit facility near the bronx zoo. three of the dead are children. cnn s susan candiotti joins me now by the phone. susan, what s the latest on this? reporter: well, it s a terrible, terrible accident, certainly, alison, but we re hearing from the police that it s either a car or a van with four adults and three children inside, all dead. they were on an expressway called the bronx river parkway, and the car crossed over the median into the opposing lanes of traffic, flipped over the bridge, and fell a sizable number of feet. we don t know how far, but it was quite a big drop. no one survived. no one sooiurvived. now, where this happened. it fell over just inside the southeast perimeter of the bronx zoo, which is huge. 265 acres. but it happened according to a spokesperson for the zoo, far away from any public area, not near any animals nor exhibits, nor did it affect any visitors. in fact, i m told that if you re a visitor in the zoo, you would no