It does not take a genius to realize that when you cross the border to do work, without permission or liaison with the UN and the other side, you are asking for trouble. Candians would not do that on the border with the US even if we are at peace for hyndreds of years. For Israel to do it reflects on either the intelligence or the aggressiveness of those involved.
Five arrested in anti-terror raids in Sydney (DPA)
from the article: Israeli officer killed in clash on Israel-Lebanon border