ceasefire syria thursday annan damascus

United Nations and Arab League envoy for the crisis in Syria, Kofi Annan (L) and Iranian Minister for Foreign Affairs Ali Akbar Salehi (R) listen through their headsets during a joint press conference in Tehran on April 11, 2012. Annan said the situation in Syria should be 'much improved' by an April 13 deadline if both sides in the conflict respect a peace plan he drew up.