epa06936925 (FILE) - US President Donald J. Trump (L) and Russian President Vladimir Putin (R) shake hands during a joint press conference following their summit talks at the Presidential Palace in Helsinki, Finland, 16 July 2018 (reissued 09 August 2018). According to media reports on 09 August 2018, the US government has stated it will impose sanctions on Russia after it was found at fault for the Novichok nerve agent attack which poisoned Sergei Skripal and his daughter Yulia on 04 March 2018. EPA/ANATOLY MALTSEV