Billions of dollars of investment may be needed to rebuild Ukraine's power systems, brought to the brink of total decimation after years of relentless attacks by Russia.

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.

The Russians continue to attack the Ukrainian defence forces' positions, conducting airstrikes and firing artillery. The most intense attacks have been occurring on the Pokrovsk, Kramatorsk and Lyman fronts.

Russia launched 72 drones at Ukraine overnight on January 26. The air defense forces shot down the majority of the enemy UAVs, according to the Ukrainian Air Force on Telegram. The occupiers launched drones from five directions in Russia: Oryol,