Russia is sending migrants through underground tunnels from Belarus into Europe as part of its hybrid war on the West.

Add Yahoo as a preferred source to see more of our stories on Google. A humanitarian group is rescuing Ukraine's children from Russia in a special operation described by its CEO as the "underground ...

Russia is sending migrants through underground tunnels through its puppet country into Europe, officials have revealed.

Inside Nikopol: The only place to hide from Putin’s killer drones is our underground school - SPECIAL REPORT: In a harrowing ...

Online video shows an alleged Russian brigade underground command post with tunnels, comms, and living areas, as drones raise ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

A humanitarian group is rescuing Ukraine's children from Russia in a special operation described by its CEO as the "underground railroad." It's a complex, risky process for children escaping Russian ...