Ukraine’s air force says Thursday’s attack was part of the largest aerial assault since the war began. Ukrainian President Volodymyr Zelenskyy says strikes targeting Russia’s oil industry and military production facilities are “entirely justified” after Moscow flattened an apartment block in Kyiv, killing at least 24 people. On Friday, Zelenskyy warned that Russia’s attacks would not go unpunished, saying he had discussed long-range strikes with senior military, security and intelligence officials, as a day of mourning was observed in Kyiv following Thursday’s attack on a nine-storey apartment block in the capital’s Darnytskyi district.…