how concerned are people there, max? >> reporter: the palace doesn't seem too concerned at this point. what we have to do is read what we can into the traditions which obviously go back such a long way. for the queen not to go sa sandringham is a departure from the tradition. she was due to go yesterday and photographers were waiting on the platform and police on the train platform with them. the royal protection officers. it wasn't until a few minutes before she would go, that everyone stood down. that caused all sorts of concern. she always makes the train. then you did not hear anything from the palace until they came out with a short statement. it said essentially both she and prince philip both had bad colds and that's why they hadn't traveled. the question is will they travel