WASHINGTON—The Trump administration levied sanctions Friday against more than three dozen Russian individuals and entities, targeting senior Russian government officials as well as some of President Vladimir Putin’s closest oligarch allies and the companies they own.
The action, one of the toughest punitive measures taken by the Trump administration to date, is in response to what senior U.S. officials say are Moscow’s subversion of democracy, hostile cyber activities and its intervention in the Syrian war. The steps are likely...