Turkish Foreign Minister Ahmet Davutoglu and US Secretary of State John Kerry at Saturday's Friends of Syria meeting
1935 GMT: Opposition Criticises Lack of International Action
Moaz al-Khatib, the leader of the Syrian National Opposition Coalition, has confirmed the resignation he announced last month.
A Coalition official said, "Khatib is resigning to denounce the international community's lack of real action on behalf of the Syrian people," after the opposition requested "specific, precise and immediate action to protect Syrian civilians from the use of ballistic missiles and chemical weapons".
Khatib had met US Secretary of State John Kerry before Saturday's Friends of Syria meeting. Kerry announced a doubling of "non-lethal" aid to $120 million from Washington, but it was not enough to satisfy the Coalition.
"The result in Istanbul was less than the Syrian people expected," Hisham Marwa, a senior member of the Coalition, said. "The US said that the use of chemical weapons was a red line for the Assad regime but the regime is using them and nothing has happened. We expected more. Russia sends Assad tonnes of weapons every week."