Trump says he would sanction Russia if Putin does not negotiate on Ukraine

FILE - U.S. President Donald Trump, left, and Russian President Vladimir Putin, right, listen to the media in Helsinki, Finland, July 16, 2018. Trump said on Tuesday he would likely impose sanctions on Russia if Putin refuses to negotiate about ending the war in Ukraine. 

U.S. President Donald Trump said on Tuesday he would likely impose sanctions on Russia if its president, Vladimir Putin, refuses to negotiate about ending the war in Ukraine.