Russia's winter strikes have focused on Ukraine's energy infrastructure.

The Kremlin said on Thursday that Russia had reiterated its invitation for Ukrainian President Volodymyr Zelenskiy to come to Moscow for peace talks, as US-led efforts to reach a deal to end the nearly four-year war in Ukraine intensify.

It was unclear why the latest round of negotiations, which had been expected on Sunday, were postponed for several days.

Russian attacks on Ukraine have killed one person and wounded 31 overnight, as negotiators from Ukraine, Russia and the United States were set to met in Abu Dhabi for a second day of talks aimed at en

Officials in Ukraine say that a heavy Russian drone attack on Odesa has killed at least three people and wounded 23, including children and a pregnant woman.

Russia has admitted for the first time that a Ukrainian missile sank its prized Black Sea flagship, later deleting the statement and returning to the official narrative that the guided-missile cruiser Moskva went down because of a freak accident.

Russian troops moving to a dense forest can make it harder for Ukrainian troops to defend themselves and their region.

The U.N. atomic watchdog’s board is holding a special session to discuss risks to nuclear safety in Ukraine as concerns mount that relentless Russian attacks on its energy infrastructure pose an increasing danger of a nuclear accident.

Three-way peace talks between Russia, Ukraine and the United States are to take place on Wednesday and Thursday in Abu Dhabi, Ukrainian President Volodymyr Zelensky said on Sunday. Direct negotiations between Kiev and Moscow had been expected to take place on Sunday to explore a path to peace following almost four years of conflict.