Pakistan, Feb. 6 -- Ukraine responded to renewed Russian strikes on energy infrastructure by upgrading its drone defence systems. Russian attacks have left thousands of homes without heat or power. Kyiv warned citizens to prepare for more blackouts as winter temperatures fell below minus 20 Celsius.

Prime Minister Yulia Svyrydenko said Russia struck energy targets 217 times this year. Emergency crews worked to restore power to 1,100 buildings in Kyiv alone. Russia targeted power stations, gas pipelines, and electricity networks, affecting civilians and critical infrastructure.

Read more: Ukrainian drone strike kills two in Russia

Russia also adapted drones for longer-range attacks, using Geran UAVs as carriers for smaller drones. Ukrai...