Quote Originally Posted by An t-Ileach
The UK Houses of Parliament have old security rules that consider a sgian dhubh and dirk to be ceremonial wear, but bagpipes to be a weapon of war: you're not supposed to take pipes into the Palace of Westminster.
of course it is a weapon of war...have you ever heard the pipes played badly? A poorly-played set of pipes can kill a whole room full of people with only a few notes!

as an aside, it is also said that poorly played bagpipes has on occasion provoked wild moose into thinking it is mating season. Be warned.