the mayor spoke yesterday in public. he was visibly shaken incredibly emotional talking about how the whole town was in shock. he said you could feel it every. where the town grief stricken. the opera singers, another detail emerging. these were a much loved duo. the female singer she was traveling with her husband and baby. one of the two babies we heard were on board and died in the crash. the details emerging giving face to that number 67 german nationals. a number which the germanwings ceo said could potentially change today as more details emerge. >> it is too tragic to bear. what is the latest on flight crews? we're hearing small numbers of crews with germanwings refusing to fly after this crash. what reasons are they given -- what are their concerns particularly here? is it more about grieving for their colleagues or is there something more to this?