A draft declaration by members of the Friends of Syria group has recognised the Syrian opposition coalition as the legitimate representative of the Syrian people.
It also warns that any use of chemical or biological weapons by the Syrian military will result in a "serious response".
The Friends of Syria are meeting in Marrakech, Morocco to discuss the ongoing conflict in Syria.
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Cloud and outbreaks of rain will ease away eastwards during the morning, clearing the east coast around midday with sunny spells developing.
Police and emergency services are attending the scene.
Rebel-held east remains at risk while the pumping station supplying the western part of the city is once again in operation.