An employee at the Ukrainian nuclear facility told CNN that conditions are 'very stressful' and alleged that Russian guards are often violent

• US war-gamed with Ukraine ahead of counteroffensive • Video: In Ukraine, Russia's strength is artillery. Here's how it could quickly become a weakness

An employee at the Ukrainian nuclear facility told CNN that conditions are 'very stressful' and alleged that Russian guards are often violent
• US war-gamed with Ukraine ahead of counteroffensive • Video: In Ukraine, Russia's strength is artillery. Here's how it could quickly become a weakness