"A new injection by Petrov and Boshirov was carried out immediately after the speech of Therese May in the UN Security Council on the topic of weapons of mass destruction, during which she again voiced accusations against Russia," she wrote on Facebook.

Earlier, the media reported that Ruslan Boshirov was allegedly a GRU colonel named Anatoly Chepiga.

On September 26, during a speech at a meeting of the UN Security Council in New York, Russian Foreign Minister Sergei Lavrov called on Britain to establish a dialogue on the Salisbury incident.

The Russian Permanent Representative to the UN, Vasily Nebenzia, also earlier pointed to various inconsistencies in the new "evidence" in the case of poisoning in Salisbury.