Moscow factory explosion injures dozens as new drone attacks blamed on Ukraine

Smoke rises from the Zagorsk Optical and Mechanical Plant in the city of Sergiev Posad (Administration of Sergiev Posad municipal district of Moscow region telegram channel via AP)

An explosion on the grounds a factory north of Moscow that makes optical equipment for Russia’s security forces has injured 45 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.