NEW : Al-Assad says the U.S. is providing political support to `` terrorists '' NEW : At least 60 people were killed Sunday , opposition group says . Kofi Annan arrives in Damascus for talks with the Syrian president . U.N. Secretary-General Ban Ki-moon added Sunday that the situation in Syria has deteriorated significantly and become more militarized . ` TL;DR The United States and Russia are trying to broker a cease-fire between Syria's government forces and rebels fighting President Bashar al-Assad's regime.
NEW : Al-Assad says the U.S. is providing political support to `` terrorists '' NEW : At least 60 people were killed Sunday , opposition group says . Kofi Annan arrives in Damascus for talks with the Syrian president . TL;DR The United States and Russia are trying to broker a cease-fire between Syria's government forces and rebels fighting President Bashar al-Assad's regime.