(VOVworld) - Talks between representatives of the Syrian government and some mainstream members of the opposition concluded on Friday in Moscow with no sign of progress towards ending a four-year-old conflict that has killed more than 220,000 people.

Syrian opposition figure Samir Aita takes part in a press conference in Moscow on April 10, 2015 (Photo: AFP)

In January, Russia organized the first round of talk between Syrian government and opposition groups. Following the talk, the participants reached the so-called “Moscow principle” which includes maintaining Syria’s sovereignty and territorial integrity, solving conflicts in peaceful and political means with no interference from outside powers.