Ukraine says it was struck by a new barrage of deadly Russian air attacks as an Easter ceasefire ended and as the US pushes for a deal between Moscow and Kyiv to end the three-year-long conflict.

President Donald Trump is frustrated with Russia and Ukraine and could instruct his administration to pull out of peace talks.

Moscow said it was pleased with a Trump administration proposal to rule out Ukraine joining NATO as a way to end the war but showed no urgency in reaching a deal.

President Vladimir Putin and Russia remain open to finding a settlement to the Ukraine crisis, and work with the U.S. is ongoing, Kremlin spokesman Dmitry Peskov said. (Reporting by Dmitry Antonov; Writing by Gleb Stolyarov;

United States special envoy to Russia and Ukraine General Keith Kellogg said Sunday (April 20) that President Donald Trump’s team will return to London this week for ceasefire talks on Ukraine, but a NATO membership was "off the table".