What do you mean by "occupied territory"? I guess that you mean all the pre-1947 Palestine? I think none in Israel would aggree to your proposal. BTW, I cannot see much difference between your "fireworks" and the missiles that landed on the Gaza beach...
U.S. intelligence chief: Syrian government used chlorine in attacks on opposition groups (Reuters)
from the article: IDF hard-pressed to pinpoint cause of Gaza beach deaths