India, Jan. 25 -- The senior UN official in Ukraine, Matthias Schmale, has issued a condemnation of the massive overnight Russian drone and missile strike on several major Ukrainian cities, killing and injuring civilians, and knocking out energy infrastructure amid sub-zero temperatures.

The attacks on some of Ukraine's most important population centres, which reportedly involved almost 400 drones, also left thousands without electricity, heating and water.

Temperatures in the country have dropped to -20deg Celsius, and the attacks on energy infrastructure have left families in freezing conditions. Many older persons and people with disabilities are often stuck in their homes in high-rise apartment buildings, without electricity and hea...