The plant manufactures countermeasure stations for front-line aircraft and is a major part of Russia's military-industrial complex.

Russia and Ukraine exchanged drone attacks, with five people dead in the strikes, as Ukrainian President Volodymyr Zelensky was optimistic about military progress.

Ukrainian drones hit Russia's Sochi resort while Russian forces bombarded Odessa's residential areas and historic Pryvoz market, hours after ceasefire talks collapsed.