Monday night's attack prompted the scrambling of NATO fighter jets in Poland, which borders Ukraine to the country's west. Poland's Armed Forces Operational Command Operational Command said that no violation of the nation's airspace was recorded.

Ukraine has accused Russia of illegally targeting power infrastructure during the war to deny civilians light, heating and running water.

The delegations from Moscow and Kyiv were joined in the United Arab Emirates by U.S. special envoy Steve Witkoff and Jared Kushner.

Russia attacked Ukraine’s capital Kyiv with ballistic missiles early on Tuesday, local authorities reported, following a week-long pause in strikes on major cities and infrastructure agreed to by Russia and the US as Ukraine grapples with plummeting winter temperatures.

A day before Russian, Ukrainian and U.S. teams meet to talk peace, Putin's forces pounded Ukraine's energy infrastructure with dozens of drones and missiles.