Ukrainian President Volodymyr Zelenskiy said on Tuesday that he had had a "productive" conversation with his U.S. counterpart Donald Trump on ending the war, sanctions on Russia and the finalisation of a U.

The coming week could mark a pivotal moment in the war between Russia and Ukraine So far Trump’s promises, threats and cajoling have failed to shift the Kremlin's position, and the stubborn diplomatic stalemate remains in place.

U.S. President Donald Trump on Tuesday said declining energy prices could pressure Russian President Vladimir Putin to halt the war in Ukraine.

US President Donald Trump has claimed that lower energy prices could influence Kremlin leader Vladimir Putin and force him to end the war against Ukraine. Source: Trump in an interview with CNBC, as reported by European Pravda Details: The US president believes that lowering oil prices is enough to force Putin to end the war.

Falling oil prices could compel Russian President Vladimir Putin to end the war in Ukraine, U.S. President Donald Trump suggested in an interview with CNBC aired on Aug. 5. Russia's energy exports remain the key source of income for its wartime economy and continue to finance its full-scale invasion of Ukraine.