Poland is checking whether the Druzhba pipeline transporting oil to German refineries is leaking, according to firefighters in the eastern European nation.

A leak in Poland’s Druzhba pipeline highlights Europe’s ongoing struggle to reduce dependence on Russian oil while maintaining energy security.

Poland’s prime minister has traveled to his country’s border with the Russian region of Kaliningrad to inspect progress in the construction of military fortifications.

Poland's Prime Minister Donald Tusk traveled Saturday to his country's border with the Russian region of Kaliningrad to inspect progress in the construction of military fortifications along the eastern frontier,

The East Shield project will eventually include 800 kilometers along the Polish borders with Russia and Belarus