UPDATE: THE ARMY HAS TAKEN SIDES WITH THE PROTESTERS AND SAID IT WILL STAND DOWN AND ALLOW THEM TO DEMONSTRATE

This is definitive since the Army actually rules in Egypt:

The statement to the military read: “We the people and the youth of Egypt demand that our brothers in the national armed forces clearly define their stance by either lining up with the real legitimacy provided by millions of Egyptians on strike on the streets, or standing in the camp of the regime that has killed our people, terrorized them and stolen from them.”

Friday of Departure – Egyptian youth refuse to back up back down back away or back off

VIA CBS NEWS WORLD: "Friday of Departure" Protesters' Moment of Truth