The palestinians are involved in terror of they die in military operations tough, they are the ones carrying out terror attacks. Sometimes innocent people will also be killed as unintended casualties but this is the reality of urban warfare. In the old days two arms would head off into the desert with their tanks and fighter jets and have a good old shoot out and the only casualties were soldiers. In urban war the bad guys live amongst the innocent and so you just accept if you want to take out the bad guys there will always be a risk of innocents also being killed or injured. War is nnot surgical and in the real world that what happens in war its doesn't mean its right or wrong just one of those unavoidable things.
12 killed in Mumbai, India after building collapses during heavy rain (AP)
from the article: Israeli force kills Palestinian during military operation in West Bank