Russia fired more than 100 drones at civilian areas of Ukraine overnight, authorities said Monday, as the Kremlin dismissed the country's transport chief after a weekend of travel chaos when Russian airports grounded hundreds of flights due to the threat of Ukrainian drone attacks.

Russia fired more than 100 drones at civilian areas of Ukraine overnight, authorities said on Monday, as the Kremlin dismissed the country's transport chief after a weekend of travel chaos when Russian airports grounded hundreds of flights owing to the threat of Ukrainian drone attacks.

Russian drone attack injures 27 in Kharkiv, Ukraine, damaging buildings and injuring children, sparking fires and chaos.