Ukraine, Russia and the United States will start a second day of talks in Abu Dhabi on Thursday, seeking to end Moscow's nearly four-year invasion.

Ukraine and Russia are due to hold two more days of peace talks in Abu Dhabi, which have been co-ordinated by the United States.

The Kremlin's hardline rhetoric -- along with a massive Russian drone and missile barrage in the run-up to the talks, pounding Ukraine's energy grid and knocking out power and heating in temperatures ...