"The occupation is responsible for the Pals killing each other." Obviously you have no clear understanding of what is really going on between Israel and Palestinians. These clashes between Palestinian factions are taking place in Gaza, and Israel withdrew from there last summer. So the only "Occupation" of Gaza is by HAMAS, a terrorist organization who lacks the credibility to really govern their would-be nation.
A firebomb was thrown at an Israeli car near Beit Hanina, Jerusalem; two wounded (Haaretz)
from the article: Gunfight erupts between Hamas and Fatah forces in Gaza