Biden administration says the measures are the first of several steps to 'respond to a number of destabilizing actions'; doesn't identify the targeted Russians

In Moscow, US secretary of state met with Jews denied exit permits, and once arranged a 'refusenik' Passover Seder at the US Embassy

Spokesman says Moscow 'will not heed patronizing statements' after US president warns Washington will no longer 'roll over' in face of Russian actions

Demonstrations supporting Putin critic Alexei Navalny held across the country; US condemns 'harsh tactics' by authorities

US president presses Russian counterpart on arrest of opposition figure Navalny, massive cyber attack blamed on Russia, reports of bounties on US troops in Afghanistan

In statements from overseas, officials signal desire to work with new administration on bolstering ties after tumultuous Trump years

America's adversaries unleash scorn at 'limping' democratic system, gloat over images of violence in Washington, while allies urge a return to normalcy

As ties with US under Trump reach lowest point since Cold War and amid major unresolved issues, Moscow officials say they don't anticipate improvement

'Russia Russia Russia is the priority chant when anything happens,' US president says, makes baseless suggestion voting machines may have also been hacked

Top US envoy says hack was 'very significant effort'; Microsoft says roughly 80% of affected customers are in US, with victims also in Israel, UAE, Britain, Canada, Mexico, Spain