Ukraine and Russia accused one another on Wednesday of flouting a truce on energy strikes brokered by the United States, and the European Union said it would not meet conditions set by Russia for a planned ceasefire in the Black Sea.

After three days of separate intensive discussions with the United States, Russia and Ukraine left the latest round of ceasefire talks in Saudi Arabia with agreements to declare a limited ceasefire in the Black Sea and to halt strikes against energy facilities.

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