It is understood Russia will tell the UN Security Council it must wait for inspectors to report on an alleged chemical weapons attack in Syria before considering a response.
Deputy Foreign Minister Vladimir Titov, quoted by the Interfax news agency, outlined the stance before today's meeting to consider Britain's draft resolution.
The UK motion authorises "necessary measures to protect Syrian civilians", understood to be targeted military strikes on the Assad regime.
The prospect of a US and UK military intervention in Syria appears increasingly likely, but what would an attack by western forces involve?
A textile factory in Damascus has started producing gas masks in case of a repeat of a suspected chemical attack on the area.
Western countries including the UK are considering their response to Syria as evidence of a large-scale chemical attack in Damascus mounts.