KYIV (Reuters) -Overnight Russian drone attacks sparked a fire in Kyiv and injured a woman and damaged several houses in the northeastern city of Sumy, Ukrainian officials said on Monday. The Ukrainian military said on Monday that it had shot down 61 out of 83 drones with 22 more likely downed by electronic warfare.

Russian forces have escalated their drone attacks on Ukrainian cities, notably Kyiv and Sumy, resulting in significant damage and civilian casualties. In Kyiv, a drone strike ignited a fire in a non-residential building;

Russian drone attacks caused a fire in Kyiv, injured a woman in Sumy and damaged several homes, according to Ukrainian officials. Meanwhile, the Russian military reported downing 15 Ukrainian drones overnight, including seven in the Krasnodar region.

Russia over the night launched drone attacks on Ukraine, sparking a fire in Kyiv, injuring a woman and damaging several houses in the country's

Despite more than a year of warnings that critical Ukrainian nuclear energy infrastructure sites are vulnerable to potential Russian attacks, Ukraine’s Energy Ministry has failed to act swiftly to protect them,

The refinery, located roughly 200 kilometers (124 miles) from the front line, is a strategic logistics hub for diesel fuel and aviation kerosene used by Russian troops, Andrii Kovalenko, head of Ukraine's Center for Countering Disinformation,