Some unconfirmed reports say one of the ride 's carts broke off and fell to the ground , killing its passengers .
部分未经证实的报道说其中一个车厢突然断裂并跌到地上,导致乘客死亡。
Polish media have carried unconfirmed reports that the person was a presidential aide , asking if the crew would land on time for the president to make it to the commemoration .