Ukraine’s government wants to restore the country’s frontier to where it was before Russia launched its first invasion more than a decade ago. The U.S. defense secretary said that was “unrealistic.” ...

The 60-mile border that separates Lithuania and Poland has become NATO's biggest nightmare, and a potential Russian lifeline.

Belarus has been allegedly 'sending' migrants into the EU for years. Several EU member states are now facing legal scrutiny ...

The three Baltic states disconnected their electricity systems from Russia's power grid on Saturday, the region's operators ...