Reuters
White House spokesman Jay Carney said the United States was suspending embassy operations in Tripoli and would withdraw all staff. Washington was also moving ahead with unilateral sanctions, which would be coordinated with allies and others.
Reuters also has this (no further details) on a live blog.
U.N. Chief Ban tells U.N. Security Council it's time for the council to take "concrete action" to stop violence in Libya.
US supposedly considering a no-fly zone over Libya. That will involve bombing the ground to take out surface to air missile sites.
It is standard procedure for dictators to locate SAM sites near schools, hospitals, and so on. The goal is to maximize collateral damage. Remember that if and when Libyan TV starts showing the damage to the civilians.