"Russia bears a heavy responsibility through its systematic opposition -- in order to protect its ally Assad -- to a multilateral response to the issue of Syria," the office of French President Francois Hollande said in a statement yesterday.
The resolution "was designed to allow a rapid, thorough inquiry by the Organization for the Prohibition of Chemical Weapons (OPCW) to establish responsibility for the chemical attacks on April 4 in Idlib province", the statement said.
Russia's veto was the eighth time it had chosen to oppose a majority of the (UN Security) Council in this way, it added.
"France will continue to mobilise in this way.