"Uknown drones attack the Izhevsk Electromechanical Plant Kupol in Russia. There, Russia produces the Tor air defense systems, as well as radars and other components," Kovalenko wrote on his Telegram channel.Brechalov reported an explosion and a "drone crash" at an unnamed "factory workshop" on the city's Lenina Street. One person was injured, and the crash damaged the facility's windows, the official claimed, adding that there "was no serious damage."Citing local residents, the Russian Telegram channel Astra also reported that the 300th production unit of the Kupol defense plant, standing at the intersection of Lenina and 40 Let Pobedy streets, was targeted.Izhevsk is the regional center of the Udmurt Republic, lying in central Russia west of the Ural Mountains. This would mark the first drone attack against the region during the entire war.Throughout the full-scale war, Ukraine has carried out a number of long-range strikes deep inside Russian territory, primarily targeting the country's oil and defense industries.0:00/1×Footage that purports to show an explosion following a drone attack in Izhevsk, Udmurtia, Russia, early on Nov.