The White House now faces the question of whether its appeasement of Russia has failed to achieve the ceasefire it promised and instead emboldened the Kremlin on the battlefield.

The U.S. president lashed out at the Kremlin on Tuesday as the White House continued to consider increasing sanctions against Russia.

By Steve Holland, Guy Faulconbridge and Max Hunder WASHINGTON/MOSCOW/KYIV (Reuters) -U.S. President Donald Trump again expressed frustration on Wednesday with Russian President Vladimir Putin over the intensifying Ukraine conflict,