(Or maybe I'm dreaming. I think it was sometime in G1 this was fixed.)
--j
>    Are you sure about this, or are you just guessing from what the rules
> say?  Since a castle is an inner location, I don't think you can enter it
> without an admit permission from the owner, even if you are in a tower
> inside.  (After all, are your enemies going to just let you walk out, now
> that they have you trapped?)
> 
> >Ok now onto the question.
> >No they do not get the castle bonus because you have to exit the 
> >tower to attack them and so you are in the same location as them. You 
> >only get the castle bonus if someone attacks the castle.