UN wants 300 observers in Syria

"As soon as the Security Council adopts a resolution authorizing up to 300 monitors on the ground, we will be ready to deploy very, very rapidly," Fawzi said.

Annan has proposed a six-point peace plan that Syrian President Bashar al-Assad has agreed to, but repeated reports of violence in Syria threaten to derail the cease-fire that’s a key element of the plan.

U.N. Secretary General Ban Ki-Moon said Thursday that Assad’s forces were not keeping up the truce.

As the violence continues, calls for military action have increased. Sens. John McCainJohn Sidney McCainGOP strategist donates to Alabama Democrat Meghan McCain knocks Bannon: 'Who the hell are you' to criticize Romney? Dems demand Tillerson end State hiring freeze, consult with Congress MORE (R-Ariz.), Joe Lieberman (I-Conn.) and Lindsey Graham (R-S.C.) said Thursday that the cease-fire had failed and the international community needed to provide arms and airstrike support to the rebels.

The Obama administration has remained opposed to using military action in Syria, while condemning the continued violence and pushing for a diplomatic solution.

Secretary of State Hillary ClintonHillary Diane Rodham ClintonGrassley blasts Democrats over unwillingness to probe Clinton GOP lawmakers cite new allegations of political bias in FBI Top intel Dem: Trump Jr. refused to answer questions about Trump Tower discussions with father MORE, who was in Paris for a “Friends of Syria” group meeting Thursday, called for “tougher actions” against the Syrian regime and sanctions.

“We have to keep Assad off balance by leaving options on the table,” she said.