"The enemy is deploying personnel there," said Vladyslav Voloshyn, a spokesperson for Kyiv's forces operating in southeast Ukraine.

Ukraine's air force said in a statement that air defenses had destroyed 56 of the 87 drones and two missiles over 14 Ukrainian regions, including the capital, Kyiv.

Russia unleashed an overnight drone attack across Ukraine targeting the capital Kyiv and hitting infrastructure in the Black Sea port of Odesa, Ukrainian officials said on Sunday. The State Emergency Service said one person was wounded and warehouses and cargo trucks were damaged in Odesa during the multi-wave attack,