Moscow is pushing for tough concessions as it drives ahead on the battlefield in Ukraine—and talks are only going to get more difficult from here.

After three days of intense negotiations, the Trump administration, Ukraine and Russia agreed to a limited ceasefire in which the key details, including what was covered and how it will start, were disputed by the warring sides.

Russia and Ukraine have accused each other of breaking the terms of a tentative U.S-brokered deal to pause strikes on energy infrastructure, underscoring the challenges to negotiating a broader peace in the war in Ukraine.

Russia and Ukraine agreed to a maritime ceasefire to allow ships to transit the Black Sea. Russia dropped a similar agreement in 2023.