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.

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. and Russia were expected to release a joint statement early Tuesday morning after discussions in Saudi Arabia aimed at achieving a Black Sea maritime ceasefire deal, sources familiar with the matter told CBS News.