Trump has repeatedly admonished Putin for Russia's nightly strikes on Ukrainian cities. Nonetheless, the president told reporters he was still hopeful of progress towards a peace deal.

President Donald Trump again expressed frustration with Russian counterpart Vladimir Putin as Russian strikes on Ukraine continued.

KYIV, Ukraine (AP) — U.S. President Donald Trump’s special envoy Keith Kellogg said in Kyiv on Monday that officials are “working very, very hard” on efforts to end the three-year war between Russia and Ukraine, as a lack of progress fuels doubts about whether a peace settlement could be on the horizon.