Nearly 3,000 passengers and staff were evacuated from three rail terminals in Moscow on Monday following bomb threats, according to Sputnik, Russia's state-run news agency.

CNN, quoting Sputnik, said that "Phone calls warning of bombs at the Kazansky and Leningradsky railway stations prompted evacuations of a thousand of people from each site."

Another 750 people were evacuated from the Yaroslavsky station, according to Sputnik, the English-language version of RIA Novosti, citing a source in the emergency services.