Two successive Russian attacks on a medical center in the northeastern Ukrainian city of Sumy on Saturday killed at least nine people, officials said.

The first strike killed one person. Ukrainian Interior Minister Ihor Klymenko said Russia attacked again while evacuating patients and staff.

Local officials in Sumy said Shahed drones were used in the attack. Acting mayor of Sumy, Artem Kobzar, said another 21 people were injured.

Sumy is located about 32 kilometers from Russia’s Kursk region, where Ukrainian forces have made a surprise incursion since August 6 in an attempt to shift the Kremlin’s military focus away from Ukraine’s front line.

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In the Kharkiv region of northeastern Ukraine, a Russian air strike on the village of Slatin on Saturday killed three people and wounded three others, Kharkiv region governor Oleh Sinyhopov said.

Sinyhopov also said that one person was killed in a drone attack in the nearby village of Kozacha Luban.

The Ukrainian Air Force said it shot down 69 of 73 Russian drones launched on Saturday night, in addition to two of the four missiles. The city authorities in Kiev said that about 15 drones were shot down over the Ukrainian capital and its suburbs.

In Kryvyi Rih, the birthplace of Ukrainian President Volodymyr Zelensky, local officials said on Saturday that the body of a man was found under the rubble of an office building that was hit by a Russian missile on Friday, bringing the death toll from that attack to four.

In Russia, the Ministry of Defense said on Saturday that air defenses shot down four Ukrainian drones over the Belgorod region and one over the Kursk region, both regions bordering Ukraine.

The governor of the Belgorod region, Vyacheslav Gladkov, said that one person was killed in the Ukrainian bombing of the Russian border city of Shchebykino on Saturday. Two other people were injured.