Ukraine’s military intelligence agency (GUR) has claimed responsibility for the killing of the head of security at the Zaporizhzhia nuclear power plant, branding him a “war criminal” and a “collaborator” with Russia. The GUR posted a video on its Telegram channel showing a SUV exploding and hours later, the Russian Investigative Committee confirmed that Andrei Korotkiy was killed in Enerhodar, where the nuclear plant is located. The GUR claimed that Korotkiy, a Ukrainian national, “voluntarily collaborated” with Moscow after it seized control of the nuclear facility in the early weeks of the w…