Syria massacre
51 killed in Syrian govt-held areas
The attacks come a day after President Bashar al-Assad declared he would seek re-election in June.
Officials said the election was a sign Assad was unwilling to seek a political solution to the conflict.
Syria’s government and opposition will discuss prisoner swaps, local ceasefires and humanitarian aid.
More than 100,000 people have died in Syria's conflict, which began in early 2011.
Both nations said on Friday they wanted to renew efforts to negotiate peace in Syria.
Russia proposed that Syria hand over its chemical weapons for destruction.
Barack Obama faces an uphill climb to persuade US lawmakers to vote for military action.
The US president has appealed to his country to back his bid to use military force in Syria.
The EU’s Catherine Ashton says evidence points to the Syrian government behind chemical attack.
Analysis: Obama won't say it, but the vote on Syria has high stakes for his presidency.
US Senate Committee voted in favour of the strike which opened the way for a full Senate vote.
Russian MPs hope to travel to Washington to convince the US against a strike on Syria.
President Barack Obama has delayed an imminent military strike by deciding to consult Congress.
Obama asks Congress to approve military strike against Syria.
The US destroyers' cruise missiles could soon be directed against Syria as part of a "limited" strike.
President Barack Obama said the military response would not involve "boots on the ground".
UN inspectors reached victims of last week's apparent poison gas attack, despite coming under fire.
United Nations said Damascus agreed to a ceasefire while experts inspect gs attack sites.
Hundreds of people were killed in poison gas attacks in Syria this week.