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The official Xinhua News Agency is reporting that patrols have been stepped up, more bomb-sniffing dogs deployed and greater attention focused on security camera surveillance at Beijing Capital International Airport.
Security had already been increased ahead of the annual travel surge for the Lunar New Year, which falls on February 3 this year.
China claims to have foiled plots targeting airplanes and other travel infrastructure that it blames on radical separatists from the north-eastern region of Xinjiang.
Thirty-five people were killed and 110 injured in Monday’s suicide bombing at Moscow’s Domodedovo Airport.