warns that number could change as more details emerge in the coming days. christine? >> thank you, rosie tompkins in dusseldorf this morning. the king of spain canceling a state visit to france to return home this morning. the germanwings flight originated in barcelona, and a count of spanish surnames suggest about 45 of those passengers may have been spanish nationals. still no official count from officials in spain. mourning along with those families in haltern, germany, are the residents of the small spanish town where the german exchange students attended that program. hundreds gathering at a mass to remember their friends. cnn's karl penhaul is there. and some of those spanish students had just been in germany on the first leg of that exchange. >> reporter: yeah, absolutely, christine. those spanish students had been in germany three weeks ago, and this was the return leg. and so for the last week 16 german students here in this town just north of barcelona had been continuing to forge those friendships, very much a language and a cultural exchange. and in the next few moments,