The Syrian regime and opposition have agreed a "clear agenda" to seek to end the country's six-year-old war, the UN mediator said Friday at the end of sometimes fractious and slow-moving talks in Geneva.
Veteran envoy Staffan de Mistura said he hopes to invite both sides back to Geneva later this month for a new round of talks, which will include the issue of counter-terrorism at the request of Damascus.
"The train is ready, it is in the station, it is warming up the engine. Everything is ready, it just needs an accelerator," he said at the end of nine days of talks in the Swiss city.
"I believe that we have a clear agenda now in front of us," he told reporters, adding: "We did discuss procedure, .. but we also discussed substance."
- Seventh year of war -
The Geneva negotiations, the first since last April, were the latest effort to seek to end a conflict that began in March 2011 with protests against Syrian President Bashar al-Assad. Its seventh year begins on March 15.
Since then more than 310,000 people have been killed and hundreds of thousands have fled the country, fuelling instability in neighbouring countries and creating Europe's biggest migrant crisis since World War II.
The warring Syrian sides have been joined in Geneva by envoys of key parties including notably Russia, a major ally of Damascus.
But as in previous talks the focus was almost exclusively on the agenda.
Under UN Security Council Resolution 2254 they should be framed in three "baskets" or areas of discussion: governance, constitution and elections.
But Damascus pushed hard for counter-terrorism strategy to be added to the agenda, against fierce resistance from the opposition who said the Syrian regime was "stalling" the talks to avoid engaging with political transition.
- Astana, Geneva talks -
The Geneva peace talks are running in parallel with negotiations in Astana, Kazakhstan, which are focussed on maintaining a fragile ceasefire brokered in December.
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A new Astana meeting is expected to take place before the next Geneva talks. "Astana and Geneva are complementing themselves, and reinforcing each other," said the UN envoy.
The main opposition High Negotiating Committee (HNC) said the latest Geneva talks were "more positive" than previous rounds.
"We are closing this round without (a) clear result... but I can say this time was more positive," HNC delegation chief Nasr al-Hariri told reporters.
"It was first time we discussed in an acceptable depth the issues of the future of Syria and political transition," he added after the talks, the fourth mediated by de Mistura.
The antagonism has been clear in briefings after each session of talks with de Mistura, with the Syrian regime delegation chief Bashar al-Jaafari lashing out at "terrorists" in the HNC.
The HNC meanwhile lamented the lack of a genuine "partner for peace".
The talks had hardly begun last weekend when they were rocked by a suicide assault which killed dozens in Syria's third city Homs, triggerig a demand from al-Jaafari that terrorism be made a "priority" in Geneva.
- No direct talks yet -
Speaking at the end of the talks, the UN mediator conceded that for the moment face-to-face talks are unlikely. "We will pursue that when we feel the moment is right," he said.
But he held up a photograph of the opening ceremony of the talks last Thursday, when both sides gathered in the same room, albeit only to hear a welcome address by de Mistura.
"This picture is much more than iconic. It is highly symbolic. This was a very special moment," he said, adding: "A psychological barrier was broken".
And he added: "I know there are still people in Syria who still believe that there is a military option or a military solution.
"That is fantasy," he said, adding that only a "political solution that addresses the legitimate aspirations of the Syrian people" would ultimately prevail.