India, July 25 -- At least 15 people were killed in Russian strikes across Ukraine on Saturday, including 10 who died in a ballistic missile attack on an exhibition near Kyiv showcasing drone technology, according to media reports.

Ukrainian President Volodymyr Zelenskyy said around 100 people were injured in the daytime strike on the exhibition, which was attended by prominent members of Ukraine's defence sector, the BBC reported.

He added that casualties were also reported in the eastern city of Slovyansk following Russian guided aerial bomb attacks.

Sharing details on X, Zelenskyy wrote: "Five people were killed. My condolences to their families. Nine others were injured. The Russians damaged ordinary homes, the consulate building, ...