The attacks occurred while Ukrainian President Volodymyr Zelenskyy was traveling to Istanbul for talks with Turkish President Recep Tayyip Erdogan.
Russia launched 286 drones at Ukraine overnight, of which 260 were shot down, the Ukrainian Air Force announced in an online statement.
Five people—three women and two men—were killed in the city of Nikopol in the Dnipropetrovsk region, and another 19 were injured, including a 14-year-old girl, said the head of the regional military administration, Oleksandr Hanzha. Market stalls and a store were damaged in the attack.
In the city of Sumy, near the border with Russia, 11 people were injured, including a 15-year-old, the National Police reported. Residential areas were targeted, with houses, cars, and utility infrastructure damaged in the attack.
In the capital Kyiv, a drone attack caused a fire on the first floor of a three-story commercial and warehouse building, the State Emergency Service of Ukraine reported. There were no reported casualties.
On Saturday, the Russian Defense Ministry claimed that its forces had launched "long-range air- and ground-based high-precision weapons, as well as strike drones" at an unspecified "military-industrial and energy facility used by the Ukrainian military."
In a separate statement, the ministry stated that the Russian military had shot down 85 Ukrainian drones overnight over nine Russian regions, annexed Crimea, and the Black Sea.
In Russia's Rostov region, on the border with Ukraine, one person was killed and four were injured, according to regional governor Yuri Slyusar. The attack caused a fire at a warehouse of an unnamed logistics company, as well as a fire on a cargo ship under a foreign flag several kilometers from the shore, he added.
In the city of Tolyatti in the Samara region, one person was injured, said governor Vyacheslav Fyodorishchev. The roof of a residential building was damaged, and windows in several apartments were shattered, he added.