The deal was limited, and it was not clear when or how it would start. The Kremlin also demanded some Western sanctions be lifted first.

The U.S. reached agreements with Ukraine and Russia that, if implemented, would represent the clearest progress yet towards a wider ceasefire

Moscow has agreed to ensure safe navigation in the Black Sea, provided that Western sanctions are lifted against companies involved in food and fertilizer exports, the Kremlin said on Tuesday. Russia and the United States have also agreed to develop measures to halt strikes on Russian and Ukrainian energy facilities for a period of 30 days that began on March 18,