Ukraine launched a drone attack on a Russian chemical plant in the western city of Tula overnight on Friday into Saturday, according to the country’s security service. Russian authorities have not acknowledged the attack.

Russia’s Defense Ministry said its air defense systems intercepted 70 Ukrainian drones over six regions, including 34 over the Moscow region.

A source in the Security Service of Ukraine said that Russia’s Aleksinsky chemical plant – which produces gunpowder, ammunition and weapons in the Tula region – had been targeted and struck during an overnight drone attack.