Russia reports that a Ukrainian strike in the western Kursk region has killed five persons.
Earlier, Ukrainian officials said Moscow had damaged a facility housing multiple embassies in Kyiv with a new missile attack.
In addition to those slain, nine people were hospitalized after the attack on the town of Rylsk, according to the acting governor of the Kursk region in Russia.
According to Alexander Khinshtein, the strike, which began at 15:30 local time (12:30 GMT) on Friday, destroyed homes, a school, a fitness center, and a cultural center.
Earlier, Russian officials said that six people, including a toddler, had been murdered in Rylsk, which is roughly 25 kilometers (16 miles) from the Ukrainian border.