Shrill air raid sirens, simulated explosions and blackouts, and firefighting and evacuation drills were the centre of attention at 244 locations nationwide Wednesday, including 100 sensitive 'civil ...

Shrill air raid sirens, simulated explosions and blackouts, and firefighting and evacuation drills were the centre of attention at 244 locations nationwide Wednesday, including 100 sensitive 'civil ...

Russian scientists built a new simulator to train soldiers for nuclear explosions, state media says. The simulator is set to be used in military exercises to prepare troops for post-blast missions.