Syria's Army has declared a 48-hour ceasefire in the southern city of Daraa, bringing a cautious calm after days of heavy fighting.<br/>The Syrian Observatory for Human Rights, a Britain-based monitor of the war, reported a cautious calm in the hours after the truce was announced yesterday.<br/>Daraa is among the areas included in a plan for "de-escalation zones" agreed by regime backers Russia and Iran and<br/>rebel supporter Turkey earlier this year.<br/>But recent weeks have seen heavy lashes in Daraa city and the surrounding area.<br/>In Washington, the US State Department welcomed the initiative to reduce tensions and violence in southern Syria.<br/>It is worth recalling that more than 320,000 people have lost their lives in the six-year.