A major event in Moscow has been cancelled just four days before it was due to start. Bosses of the Spasskaya Tower International Military Music Festival said the spectacle in the centre of the Russian capital had been postponed until 2027 “due to circumstances beyond the organisers’ control”.The announcement comes amid a surge in Ukrainian drone attacks on Moscow. Overnight Saturday, a huge barrage of drones was launched at Russia in what the Kremlin described as Ukraine’s “largest-scale” attack of the year. Russia’s defence ministry said 822 drones were shot down in the assault, while Moscow’s mayor earlier claimed some...