For some weeks there has been concern in the Egyptian Army and press over the existence of an al-queada wannabe organization working in the Sinai. I am sure that Israelis intelligence agencies are monitoring both the Egyptian interests and their own assets. The possibility of a third force who's only intent is to create disorder and beholden to no one cannot be ignored.
Fear of rioting, disorder at Temple Mount prompt restrictions on Muslim worshiper (Haaretz)
from the article: Hamas: We didn't carry out southern Israel attacks, but we praise them