Russian fighter pilots take part in military drills amid Ukraine invasion fears

Russia continues missile drills as tensions with West escalate over Ukraine

Russian soldiers ski behind advancing tanks in Siberian combat drills

Seven prisoners escape from jail in Cambodia by drilling whole through concrete wall

Students energetically run to school exit during fire drill while fire shoots up second floor

Sandstorm whips through oil drilling base in Saudi Arabia

Myanmar protest group carries out military-style training drill amid surging violence