 CCTV footage obtained by Reuters showed the moment when a blast rocked an optics and optical electronics factory in the town of Serjeev Pozad, 50 kilometers northeast of Moscow, on August 9, injuring at least 45 people according to local authorities. Emergency services said the blast appeared to have occurred in a warehouse containing pyrotechnic equipment, the state news agency tasks reported. The popular online news channel MASH said it had been rented by a pyrotechnics firm. 23 people were admitted to hospital, including six in intensive care, the Serjeev Pozad Mayor's Office said.