Well known to whom? It was well known that Sharon threatened to visit the area so of course a respnse would have been planned. It is well known now that we have a rightest Israeli government who are hell bent on taking over Arab areas. What else do you expect but a "response."
Motorcyclist in his 20s dies after crashing near Gedera (Haaretz)
from the article: Israel Police battle Arab rioters on Temple Mount; PA official arrested