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Powerful explosion at factory in Moscow Region Powerful explosion at factory in Moscow Region
(about 2 hours later)
The authorities have ordered the evacuation of the entire facilityThe authorities have ordered the evacuation of the entire facility
A powerful explosion has rocked a factory in the town of Sergiyev Posad outside of Moscow, with evacuation efforts underway, the local authorities have said.  A powerful explosion has rocked a factory in the town of Sergiyev Posad outside of Moscow, with evacuation efforts underway, local authorities have said. 
The incident took place on the territory of the Zagorsk Optical-Mechanical Plant, which according to its website designs and produces optical and electronic equipment. The incident took place on the territory of the Zagorsk Optical-Mechanical Plant, which according to its website, designs and produces optical and electronic equipment.
Prosecutors have confirmed the preliminary data that the explosion occurred in the pyrotechnics warehouse. Prosecutors have confirmed preliminary data suggesting that the explosion occurred in a pyrotechnics warehouse.
Andrey Vorobyev, Moscow Region’s governor, said citing emergency services that 31 people were injured in the blast, with three of them being taken to an intensive care unit. He added that a total of 19 people have been hospitalized. Andrey Vorobyev, Moscow Region’s governor, said citing emergency services that 31 people were injured in the blast. Later, he noted that 43 people had been taken to a local hospital, with six of them, who suffered burns and head injuries, being treated in intensive care.
Mass evacuation efforts have been announced from all the facilities on the premises of the factory. He stated that a total of 52 people sought medical assistance after the blast, adding that five people may still be trapped under the rubble.
Numerous clips shared by local media show a large plume of smoke towering over nearby buildings and rising from the factory.  Mass evacuation efforts have been announced from all facilities on factory premises.
Numerous clips shared by local media show a large plume of smoke rising from the factory, towering over nearby buildings. 
A source in the emergency services told RIA Novosti that the explosion took place due to a violation of technical procedures.A source in the emergency services told RIA Novosti that the explosion took place due to a violation of technical procedures.
Meanwhile, the Mash Telegram channel shared footage from a nearby security camera that captured the moment of the explosion, showing a fireball and a plume of smoke rising in the distance. It claimed, citing eyewitnesses, that the blast shattered windows in at least ten nearby buildings, with ceilings collapsing in office buildings. Meanwhile, the Mash Telegram channel shared footage from a nearby security camera that captured the moment of the explosion, showing a fireball and a plume of smoke rising in the distance. It claimed, citing eyewitnesses, that the blast shattered windows in at least ten nearby buildings, with ceilings collapsing in offices close by.
BAZA Telegram channel suggested that some people might be trapped under the rubble, adding that the emergency services had arrived on the scene and that traffic near the factory had been closed. The BAZA Telegram channel said that the emergency services had arrived on the scene and that traffic near the factory had been closed.