Russian drone strikes triggered several fires in the city of Dnipro overnight, leaving a 70-year-old woman seriously injured, regional officials said.

The head of the Dnipropetrovsk Regional Military Administration, Oleksandr Hanzha, said on Telegram that multiple fires broke out after the attack, Ukrinform reports.

"The enemy is attacking Dnipro. Several fires have occurred," he wrote.

Earlier, the Ukrainian Air Force warned that groups of Russian drones were heading toward Dnipro from the southeast.

Read also: Civilian injured, and 30 cars catch fire due to Russian attacks in Dnipropetrovsk region