Married couple die in Russian strike against Kostyantynivka; Ukraine on agenda as Macron makes state visit to UK. What we know on day 1,230Russia and Ukraine struck each other with hundreds of drones on Sunday, throwing Russian air travel into disarray, as Volodymyr Zelenskyy announced Ukrainian deals with western partners allowing Kyiv to scale up production of unmanned aerial vehicles (UAVs). Six Ukrainian drones targeted Moscow, said its mayor, Sergei Sobyanin, while another two were reported outside Russia’s second largest city, St Petersburg. Rosaviatsiya, Russia’s civil aviation authority, reported temporary airport closures in the two cities and other regional centres and said dozens of flights had been delayed.In Ukraine on Sunday, Russian drones injured three civilians in Kyiv and at least two in Kharkiv, Ukraine’s second-largest city, located in the north-east, officials said. A Russian attack involving Shahed drones also targeted port infrastructure in Mykolaiv in central Ukraine, according to its governor, Vitaliy Kim. He reported warehouses and the port’s power grid were damaged but there were no casualties.Russia killed four civilians and injured a fifth with a glide bomb and a drone in the frontline town of Kostyantynivka in eastern Ukraine, prosecutors said. The drone struck a car in which a married couple were travelling, killing the 39-year-old woman and 40-year-old man on the spot.Zelenskyy said Ukraine had struck deals with European allies and a leading US defence company to step up drone production, ensuring Kyiv receives “hundreds of thousands” more UAVs this year. Zelenskyy did not name the US business in his nightly video address to Ukrainians, but said Ukraine and Denmark had also agreed to co-produce drones and other weapons on Danish soil.<