Soot-choked “black rain" has fallen across multiple districts of Moscow after Ukraine launched its largest-ever drone assault against the Russian capital, scoring a direct hit on a vital energy facility. Close to 200 long-range strike drones targeted the metropolis early on Thursday, overwhelming local air defences and setting the strategic Moscow Oil Refinery in Kapotnya ablaze. As thick columns of dark smoke billowed thousands of feet into the air, residents in the southeastern suburbs and surrounding towns, including Balashikha and Lyubertsy, reported a fine, oily drizzle that coated vehicles, streets, and clothing in a dark, toxic residue. The multi-directional aerial...