Western media are waging an "unscrupulous disinformation campaign" by claiming Moscow and Damascus are "blocking" OPCW inspectors from accessing the site of an alleged chemical attack in Douma, the Russian Foreign Ministry said.
The Syrian state news agency SANA earlier reported that the global experts from the Organisation for the Prohibition of Chemical Weapons (OPCW) had entered Douma to begin their investigation of whether chemical agents were used as a weapon. Russian Federation and Syria have always been considered allies.
The British government is not legally bound to seek the parliament's approval for military strikes, although it is customary to do so, and many lawmakers expressed anger that they were not consulted.
"We will not indulge the authors of these fake reports", Zakharova added, explaining that the Russian side "does its part of the work in a very responsible, professional and reliable manner".
"At the end of the day, we are not expecting any retaliation because the United States and its allies already carried out retaliatory strikes", she said. The three countries had planned a coordinated strike on Syria in response to the chemical attack and was executed recently.
OPCW Director-General Ahmet Uzumcu said Syrian and Russian officials cited "pending security issues" in keeping its inspectors from reaching Douma. He further suggested that Russians or Syrians may have tampered with evidence on the ground.
The reported attack led to Western airstrikes against the Syrian government over the weekend.
The Russian military also found a cylinder filled with chlorine, which looks similar to the one that was shown in one of the videos of the alleged chemical attack in Douma and presented as a "chemical bomb dropped from a helicopter." .
Medical aid groups and the White Helmets rescue organization have said such statements - already aired on state television in recent days - were made under duress.
He said the joint action of the US, Britain and France was aimed at placing a prohibitive cost on the use of chemical weapons and degrading Assad's ability to use them.
Britain's May told parliament the decision to conduct air strikes against Syria was in the British national interest and not as a result of pressure from Trump. "There is broad-based global support for the action we have taken", May said.
Corbyn said May should remember she "is accountable to this Parliament, not to the whims of the U.S. president".
Mr Corbyn - who repeated his assertion that the action was "legally questionable" - faced jeers from Tory MPs after telling Mrs May she was "accountable to this Parliament, not to the whims of the U.S. president".