At least 52 people have been injured so far in a blast at an optical-mechanical plant in the city of Sergiev Posad in the Moscow region on Wednesday, local authorities said.
Produced by Xinhua Global Service
At least 52 people have been injured so far in a blast at an optical-mechanical plant in the city of Sergiev Posad in the Moscow region on Wednesday, local authorities said.
Produced by Xinhua Global Service
