One Killed, Dozens Injured In Massive Explosion At Optical Plant Outside Moscow

At least one person was killed and more than 40 people were injured, with five in intensive care, in an explosion on August 9 at an optical plant in the city of Sergiyev Posad, about 70 kilometers outside Moscow. According to Russian news agencies, the blast happened where pyrotechnics were being kept and destroyed a 1,600-square-meter warehouse. The complex also houses the Zagorsk Optical and Mechanical Plant, which produces optical equipment for industrial and health-care applications as well as night vision and other devices for the Russian military and security forces. Videos of the blast posted on social media show shattered windows and a huge mushroom cloud billowing into the air.