The hole of Israel/palistine is disputed. The Palistinians never accepted the UN partion, therefore any rockets landing in their area is also disputed. Again, works both ways. In any event Israel existed thousands of years before the Palistinians did, so they have no right to be on Israeli lands. Read your history.
Clashes between IDF and protesters in Bethlehem and East Jerusalem (Reuters)
from the article: Human Rights Watch: Palestinians committed war crimes during Gaza war