now officials have coirmed. 19-year-old rose mayor and friend elizabeth nass were killed in the derailment. the source of the photos were mayor's twitter account. the girlwere on the tracks investigators have not pieced together exactly what happened. >> at this point we have no indication of what caused the actual derailment. we are fortunate to have two operators who are both safe and not injured so we will be able to talk with them. at this point we don't know what happened. >> the derailment has left thousands of tons of coal up and down the tracks to be cleaned up. some of the cars were crushed. crews expect the clean up will take days. deaths of propromising young college students apparently on a dangerous midnight lark on the railroad tracks will impact this community for a long time after that. we are back live now. you taking a look at the overturned carriages on top of the bridge. i talked to a number of local teens that in fact is that hangout place for kids up on the tracksive everybody -- tracks. everybody knows it's dangerous. it still happens. investigators are here to deter