Russia says a massive Ukrainian drone strike left at least four people dead and targeted over 15 regions, with 1,198 drones intercepted and destroyed.
An industrial zone in the southern Volgograd region, home to an oil refinery and a chemical factory, was hit.
This attack comes as U.S.-led talks to end the war continue, with the war in its fifth year.
Kushner and Witkoff meet Putin, Zelensky
US private envoys Steve Witkoff and Jared Kushner just met with Russia's Putin in Moscow and Ukraine's Zelensky in Dublin, hoping to push peace talks forward.
Meanwhile, Ukraine has been stepping up drone strikes on Russian energy sites to hit the Kremlin's finances, while also accusing Russia of targeting its own power grid as winter sets in.