Ukrainian forces have responded to Russian efforts to expel them from one part of Russian territory by launching a large number of attacks on another border area, using drones, artillery and troops.

This is the result of peace negotiations with Putin,” said one Ukrainian, after a Russian attack in Dnipro killed four people and injured more than 20 on Saturday.

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.