Border Tensions: Poland has tightened security near Russia’s Kaliningrad exclave after Prime Minister Donald Tusk cited suspicious activity and warnings of possible sabotage or incursions. War in Ukraine: Russian forces launched a massive strike on Ukraine’s energy system, disrupting power and water supplies; Ukrainian officials say three drones also targeted a substation vital to the Khmelnytskyi nuclear plant. A separate Russian strike on a school used as an aid centre killed at least 31 people, according to reports. Peace Talks: The U.S. plans to mediate Ukraine-Russia talks in Abu Dhabi on November 10–11, even as attacks continue and major disagreements remain. Military Ties: Russia and China pledged closer defence cooperation during talks in Beijing, including stronger coordination and joint exercises. Inside Russia: A drone strike set fire to an Ozon logistics centre in Adygea, the retailer said. Russia has also added Apple and Microsoft to a register requiring communications data to be stored domestically for three years and disclosed to security agencies on request. Sport: Canada says Russian and Belarusian athletes will be barred from the World Junior Hockey Championship, as several European nations threaten to boycott games against Russia.