Ukraine launched several drones at the Slavyansk oil refinery in Russia's Krasnodar region, sparking a brief fire at the site and resulting in one person dying of a heart attack, local officials said on Sunday. "The drones were neutralised, but a fire broke out as a result of the fall of one of the devices," the operational headquarters of the region in southern Russia said on the Telegram messaging app. The fire was extinguished and there were no casualties as a result of the fire itself, the administration said. Preliminary information indicated, however, one person had died of a heart...