British Ambassador to the United Nations Mark Lyall-Grant also refused to give any comments to journalists.
The five permanent members of the U.N. Security Council held their first meeting last Wednesday to discuss a British draft resolution, which was supposed to sanction measures necessary to protect civilians in Syria. Observers believed that the wording was designed to hide western plans to deliver missile strikes at Syria.
British Prime Minister David Cameron said earlier on Thursday that London would not insist on a military operation against Damascus if the majority of Security Council members voted against that.