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.

KYIV (Reuters) -Overnight Russian air attacks wounded eight people, set a private business on fire and damaged residential buildings around Ukraine, local officials said on Tuesday. Ukraine's air force said it shot down 65 drones and 28 more did not reach their targets in the barrage.

Russian attacks across Ukraine killed at least four civilians and injured at least 23 over the past day, regional authorities reported on Jan. 28.

Multiple regions in Ukraine were targeted by Russian combat drones overnight, Ukrainian authorities reported early on Monday. "A series of explosions could be heard over Transcarpathia," Svitlana Onyshchuk,

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 hundreds of airstrikes on Ukraine in one week, firing over a thousand aerial bombs and hundreds of attack drones, according to Ukrainian President Volodymyr Zelenskyy. According to him,