Russian experts have inspected the site of the attack in Douma and found no trace of chemical weapons, said Russia's foreign minister Sergey Lavrov at a press conference in Moscow.
The World Health Organization (WHO) stated that they can't confirm use of chemical weapon in Douma (Syria).
The Russian military-diplomatic source said that a staged chemical attack was filmed in Syria, to confirm the regular use of chemical weapons by the government army.
The militants of the organization "Islamic State" conducted a gas attack against the US military specialists in the country.
The Syrian military command stated that a coalition led by the United States struck at the ISIS warehouse in the Deir ez Zor area, where poisonous substances are located.
The Russian president said that he had information about the preparation of new provocations with chemical weapons in Syria.
Chemical weapons, developed under the leadership of former Libyan leader Muammar Gaddafi, now may be in the hands of ISIS This was announced by the Libyan army officer, a military expert Mohammed M
The Russian Foreign Ministry Spokeswoman once again emphasized the use of chemical weapons by the ISIL terrorists in Syria and Iraq.
The UN has accused the Syrian government of using chemical weapons.