"What is happening in Syria today completely closes the doors on any discussions about international conferences and political initiatives," George Sabra, Coalition, told a press conference in Istanbul. "The war declared by the regime and its allies in the region has reached a level we cannot ignore." Sabra said just before those developments that the opposition would not attend a peace conference while Iranian elements and Hezbollah were supporting Syrian troops on the ground. The incident happened at about lunchtime near the Iranian embassy in Bir Hassan, where demonstrators had gathered to challenge the Iranian and Hezbollah support of the Assad regime. CasualtiesThe Local Coordination Committees claim that 33 people have been killed today , including 20 in Damascus and its suburbs.