Foreign ministers were gathering in Munich Thursday, with the West desperate to breathe new life into a Syrianpeace process that has all but collapsed in the face of a Russian-backed onslaught against the opposition, AFP reports.

Russian bombers and Iranian troops have helped the forces of President Bashar al-Assad besiege the key rebel city of Aleppo in the past fortnight, derailing peace talks in Geneva and threatening Europe with another huge influx of refugees.