| Bashar Jaafari said the government had delivered a "positive and optimistic" message |
The Syrian government's lead
negotiator has denounced what he called his rebel counterpart's
"provocative" comments at the start of peace talks in Astana.
| A rebel spokesman accused the government of violating a weeks-old nationwide truce |
The second and final day of the negotiations in Kazakhstan's capital is to get under way shortly.
They are the first talks at which the opposition delegation is formed exclusively of representatives of armed groups.
UN-brokered negotiations in Geneva involving exiled opposition political figures broke down last April with little progress having been made.
More than 300,000 people have been killed and 11 million others displaced since the uprising against President Bashar al-Assad began in March 2011.
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They were joined by representatives of Russia and Iran, which back Mr Assad, and Turkey, which supports the rebels, as well as UN special envoy Staffan de Mistura and the US ambassador to Kazakhstan.
The meeting was closed to the media after an address by Kazakh Foreign Minister Kairat Abdrakhmanov, who said it was time to "make the real breakthrough that Syrian people rightfully deserve".