Vienna/ 31 October 2015/ The United States, Russia, Iran and other powers called for a nationwide truce in Syria's four-year civil war, fresh elections and a new Constitution. In a joint statement after talks in Vienna, the participants said "substantial differences remain", though they agreed it was "imperative to accelerate all diplomatic efforts to end the war". The conferees of the second round of Vienna talks on Syria called for a ceasefire agreement, accelerating diplomatic efforts to prevent Killing and maintaining the unity and independence of Syria and its institutions. The participants'' statement said they were asking the United Nations to bring together representatives of the Syrian government and opposition to launch "a political process leading to credible, inclusive, non-sectarian governance, followed by a new constitution and elections". They agreed on holding a new meeting within two weeks in which all parties participate, especially the Syrian regime and opposition, working on stopping the bloodshed and cooperating on combating terrorists and maintaining the unity of the state and its institutions, said the joint statement at the conclusion of the talks Friday. It was also agreed on holding UN-sponsored free elections with the participation of all segments inside and outside Syria, the statement added. Foreign Ministers of Russia and the US announced that the participants did not agree on the future of Bashar Al-Assad, referring that this matter must be determined by the Syrian people themselves.