The move means Trump is walking back the 50-day deadline he set this month in response to Russia's continued bombing of Ukrainian cities.

U.S. President Donald Trump has made clear that he wants a deal to end Russia’s war in Ukraine by August 8, the United States told the United Nations Security Council on Thursday.

Earlier this month, Trump set a 50-day deadline for Russia to accept a ceasefire. Failure to do so, the president said, would prompt punishing new economic measures, among them secondary sanctions on nations doing business with Moscow.