In this photo released by Russian Emergency Ministry Press Service on Wednesday, Aug. 9, 2023, firefighters work at the side of the Zagorsk Optical and Mechanical Plant after a blast in the city of Sergiev Posad, Moscow Region, about 65 km (41miles) north-east of Moscow, Russia. An explosion Wednesday, on the grounds of a factory north of Moscow that makes optical equipment for Russia's security forces wounded dozens people, six of them severely, officials said. The blast occurred at a warehouse storing fireworks, though it was on the grounds of the Zagorsk optics manufacturing plant, according to Andrei Vorobyov, the governor of the region surrounding the Russian capital. (Russian Emergency Ministry Press Service via AP)