Russia and Ukraine exchanged large drone attacks on Sunday night into Monday, with alleged Ukrainian UAVs forcing flight restrictions at three Russian airports.

A drone attack was reported in Voronezh Oblast near the village of Liski on Monday evening. Source: local Telegram channels; Alexander Gusev, governor of Voronezh Oblast Details: Gusev said that one of the UAVs crashed into the territory of an oil depot and started a fire.

A fire erupted in the city of Kazan in Russia's Tatarstan republic overnight on Jan. 20 amid a Ukrainian drone attack on the city, Russian Telegram channels reported.

Russia’s military on Tuesday said it would retaliate against Ukraine after Kyiv attacked Russian regions by firing six US-made ATACMS ballistic missiles, six UK-made Storm Shadow cruise missiles and launching one of the biggest drone attacks to date.

The barrage appeared to be one of the largest recent assaults in Ukraine’s campaign to damage Russia’s war machine on its home territory.

Ukrainian President Volodymyr Zelenskyy warned allies that the defense of his nation is a litmus test for broader Western resolve.

The Russians attacked Ukraine with a new version of the Shahed-136 drones. According to the Defense Express portal, this is the fourth known variant of Iranian drones used by the Russian Federation's army.

The Russians attacked Ukraine with a new version of the popular Shahed-136 drones. According to the Defence Express portal, this is already the fourth known variant of Iranian drones used by the Russian Federation's army.

Russian forces launched around 550 attack drones, nearly 60 missiles of various types, and more than 660 aerial bombs against Ukraine during the past week, President Volodymyr Zelensky said in his evening address on Jan.