A series of separate meetings between American, Russian and Ukrainian interlocutors have entered their third day as U.S. negotiators shuttle back to discussions with their Ukrainian counterparts in the Saudi capital.

US officials have been keen to broker a long-lasting peace between Russia and Ukraine, although Western leaders have questioned whether too few demands are being made of the Kremlin

No deal emerged from Washington’s talks with both Kyiv and Moscow in Saudi Arabia Tuesday on any ceasefire after three years of fighting, with Russia demanding that the US “order” Kyiv to enter a new deal on the Black Sea.