Okay, hypothetical question for you:

Say Indonesia started firing missiles towards Australia and killing people. Would we not have the moral right (and duty) to defend ourselves?
If I may translate this for non-Australians: What if Mexico was attacking the USA or France was shooting on the UK? Would they not have the right to self-defence?

Going back to the first hypothetical example; it's unfortunate but inevitable that some civilians will be caught up in...