A ceasefire deal agreed for southwestern Syria is a positive development that will help support the political process in the country, The UN Deputy Special Envoy for Syria said on Saturday. 'This is a step in the right direction... All of this leads to supporting the political process,' Ramzy Ezzeldin Ramzy told reporters in Damascus. The United States, Russia and Jordan reached a ceasefire and 'de-escalation agreement' for southwestern Syria that is due to start on Sunday.