Ukraine accuses Russia of "systematic energy terror" as the global atomic energy watchdog warns Moscow's latest strikes jeopardize nuclear plants' safety.

The Balashovskaia power substation in Russia's Volgograd Oblast has come under attack, disrupting electricity supplies to Russian military infrastructure. Source: Andrii Kovalenko, the head of the Centre for Countering Disinformation under the National Security and Defence Council of Ukraine Details: The substation supplies electricity to Russia's military facilities,

The International Atomic Energy Agency says that negotiations are on-going to allow work to take place to restore a backup external power supply to the Zaporizhzhia Nuclear Power Plant.  ;

Questions have arisen after Russian President Vladimir Putin said his country tested two nuclear-capable weapons this week.

President Vladimir Putin says Russia has conducted a successful test of a new atomic-powered and nuclear-capable underwater drone, declaring that the new weapon can't be intercepted.