This just in, somewhat surprisingly, from St Nicholas...
According to the policeman who took charge of one Eurostar in the absence of any initiative from the train staff - other than to call for police assistance - it was necessary to open the doors because young children were suffering because of the high temperature inside the Eurostar.
I had my work cut out that evening, I can tell you.
UPDATE: This, even more surprisingly, from St Christopher...
As Patron Saint of Travellers I should point out that St Nicholas was operating under my overall protection plan.
UPDATE: This just in from St Gregory of Nusia...
I just look after civil engineers.
Traction and rolling stock engineers appear not to have a patron saint which could explain a lot.
UPDATE: Astonishingly, this from the late Rudyard Kipling...
Could I suggest that St Martha takes over responsibility for railway engineers in general?
See my Poem "The sons of Martha and Mary".
UPDATE: This just in from Pope Benedict XVI...
I vill consider Herr Kipling's vequest and may grant ein plenary indulgence under ze usual conditions.
Right. Stop this now. It's all getting very silly. Ed