Syria talks focus on ceasefire hopes as missile barrage kills 40

US, Russia, Saudi Arabia and Iran meet in Vienna, but government attack on Douma overshadows negotiationsHigh-profile international talks on the Syrian crisis took place in Vienna on Friday but were overshadowed by mass casualties in a government attack on an opposition-held area near Damascus.Tensions between Iran, a staunch supporter of President Bashar al-Assad, and its rival Saudi Arabia, which insists Assad must step down or face military defeat, also threatened to dominate the talks. Conti