Russian air defenses shot down 347 Ukrainian drones overnight, Russia’s Defense Ministry said Thursday, in what appeared to be a major attack after Moscow spurned Kyiv’s ceasefire earlier in the week and tension mounted over Russia’s upcoming Victory Day celebrations . Incoming drones were destroyed over 20 Russian regions, including Moscow, according to the Defense Ministry, in Ukraine’s second-biggest aerial attack since Russia’s all-out invasion more than four years ago. The largest was last