These organized acts of violence are straight from the PLO/Hamas playbook. First the violent Islamist mobs are agitated by their handlers, and incited by television and through sermons at their Mosques. Once the violent riots gain intensity, they lead to full blown terror attacks. We have seen this many times before. It's a negotiating tool used by the PLO.
Man shot dead in northern Israel town of Bi'ina, police say the murder was gang related (Haaretz)
from the article: Three Palestinians wounded in clashes with soldiers