YEKATERINBURG, Russia July 25 (Reuters) - A drone threat prompted leading Russian online retailer Wildberries to evacuate its logistics hub on Saturday in the city of Yekaterinburg, where ‌the national athletics championships were also briefly suspended. Advertisement AdvertisementEarlier on Saturday, local authorities declared a drone alert over the wider Sverdlovsk region and said one attack had been repelled ‌over Yekaterinburg, Russia's fourth-largest city. "Economic and infrastructure facilities were not damaged," he said, cautioning ⁠residents to remain vigilant as the drone threat persisted. It says it has targeted Wildberries ‌on the grounds that it handles military supplies, which ​the Kremlin has denied. They did not name the facility, but a Wildberries warehouse in Krasnodar was attacked that day.