(COMBO)This combination of file photos shows US President Barack Obama speaking at the White House in Washington, DC on December 16, 2016 and Vladimir Putin speaking in Moscow on December 23, 2016.
The US on December 29, 2016, fired back at Moscow over its meddling in the presidential election, announcing a series of tough sanctions against intelligence agencies, expulsions of agents and shutting down of Russian compounds on US soil. 'I have ordered a number of actions in response to the Russian government's aggressive harassment of US officials and cyber operations aimed at the US election,' Obama said.
 / AFP / Saul LOEB AND Natalia KOLESNIKOVA        (Photo credit should read SAUL LOEB,NATALIA KOLESNIKOVA/AFP/Getty Images)