In early February, Titov named 16 Russian businesspeople who had fled the country to escape criminal proceedings and were willing to return to their homeland.
"There are new people from London who ask for our protection. Unfortunately, the situation is getting worse for those people who are in London. [Russian businessman Valery] Morozov, who was not on our list, contacted us. He is receiving phone calls – he does not understand whether they are made by the authorities or not," Titov told reporters.
The official noted that one of the businessmen, who had contacted his office, stated that he was facing the pressure from the UK authorities.
"We are in touch with him. He says that he is under pressure from the UK authorities. It was media, but he believes that it was not a media representative, but a representative of the intelligence services… As a result, he was forced to leave England and is now in the territory of Europe," Titov said.
Moscow has denied allegations of involvement in the incident and have asked the British government for access to the substance used in the attack. On Saturday, Russia announced retaliatory measures against the United Kingdom, declaring 23 employees of the UK Embassy in Moscow personae non gratae in response to London's move.