Batman apparently "ran" past guards to where the ledge was, and staged his protest from there.
Which beggars belief, heres 2 intruders breaking into Buckingham palace, dressed in masks and "costume" and were obviously trying to make a point.
I guess the security men there must be pretty fat, to let a intruder run past them and onto a ledge, they had guns, why didnt they use them, afterall there supposedly there to protect the queen and royalty.
thankfully these two men werent terrorists, if they had been there may have been a disaster by now.
Its not the fall that kills u, its the sudden stop at the end..