Officials in Ukraine say Russia launched a barrage of drones in an overnight attack Friday, killing at least two civilians, wounding several others and damaging commercial and residential buildings.

The unmanned aircraft carrying explosive warheads are part of a Ukrainian campaign of long-range drone attacks that aim to inflict blows on Russia far behind the front line as Moscow's troops advance in the east.

Videos showed fireballs over a facility in Ryazan, 110 miles southeast of Moscow. Kyiv is seeking to disrupt Russian military logistics and put pressure on the country’s economy by striking its oil industry.

Russia launched 58 drones into Ukraine. Ukrainian air defense was operating in seven regions of Ukraine, according to the Air Force of the Armed Forces of Ukraine. The Russians launched drones into Ukraine from four directions in Russia: Orel,

Ukrainian drones struck various targets within Russia. Videos emerged online from locations such as Ryazan, where a refinery was targeted. People gathered nearby were initially admiring the effects, but the strike led to an explosion that caused a panicked rush among the onlookers.