Instead of demands to Damascus on chemical weapon the U.S. should fulfill everything they promised - to demarcate opposition from terrorists in Syria, Russian Foreign Minister Sergey Lavrov said answering the question about the U.S. proposal that Russia and Iran urged Syria to account for use of chemical weapon, RIA Novosti reported.

Russian minister said that the U.S. should look better in the mirror and do what they promised in January.

Earlier, the White House reported quoting U.S. National Security Council spokesman Ned Price that the U.S. urged Russia and Iran to participate in attempts to bring Syria to account for the use of chemical weapons after the publication of the results of the UN and OPCW investigation.

Earlier, UN source told RIA Novosti that the UN Mission and Organization for the Prohibition of Chemical Weapons (OPCW) on investigation of cases of use of chemicals in the military purposes in Syria could establish three performers of the attacks of nine considered incidents. Experts found government forces of Syria guilty of two attacks, Islamic State terrorists — of one.