Nature of communications unclear. U.S. official tells NYT some of Paul Manafort's contacts in Russia and Ukraine are under NSA surveillance.
America's outgoing vice president says Russia's purpose is to 'collapse the liberal international order' and 'return to a politics defined by spheres of influence.'
Outgoing U.S. Ambassador to the UN delivers blistering speech condemning Russia's role on the world stage, accusing Putin of a 'deny and lie' strategy to evade responsibility for alleged war crimes.
Putin: Obama Administration Trying to Undermine Trump, Those Behind Dossier 'Worse Than Prostitutes'
The Russian president accuses those behind the leaked information of wanting to 'stage a Maidan in Washington' and undermine the president-elect's legitimacy.
'We expect the new administration to accept this invitation,' says Russian foreign minister, adding that cooperation on issues like fight against terror would follow.
'I don't think the Americans would do it. It is still America's CIA,' retired intelligence head Michael Hayden tells Jerusalem Post.
Buzzfeed cites two Israeli intelligence officials as saying unsubstantiated dossier on Moscow's dirt on Trump being looked into across world.
In interview with Wall Street Journal, Trump suggests he might do away with sanctions on Russia - imposed by Obama in response to cyberattacks - if Moscow proves helpful.
Controversy over Russian times spills over into confrontation with African-Americans after Trump berates Civil Rights icon John Lewis.
Diplomatic and intelligence experts in the know describe Christopher Steele, the former MI6 operative who compiled the 'compromising' file on Trump.