New Delhi, Feb. 3 -- Ukrainian President Volodymyr Zelenskyy said on Tuesday that Russia launched approximately 450 long-range drones and 70 diverse missiles at Ukraine during a massive overnight assault.

The attack took place just one day prior to the US-mediated negotiations between Russia and Ukraine in Abu Dhabi, United Arab Emirates. The talks are aimed at ending the full-scale war.

The strikes across at least five Ukrainian regions specifically targeted the electrical infrastructure, Zelenskyy said, continuing Moscow's strategy to deprive civilians of electricity, warmth and water during the harshest winter in recent memory.

In Kyiv, temperatures dropped to minus 20 degrees Celsius (minus 4 Fahrenheit) overnight and stood at minu...