Polish officials have pointed the finger at Russia after a key train track was destroyed in what Warsaw said was an “unprecedented act of sabotage” committed by two Ukrainian citizens who were “collaborating with Russian services.

Everything points to Russian intelligence services commissioning sabotage on Polish railways that damaged a track on a route to Ukraine over the weekend, a spokesperson for Poland's special services m...

"The most important information is that... we have identified the people responsible for the acts of sabotage," Tusk told lawmakers.

Poland has scrambled allied aircraft in response to Russian attacks on western regions of Ukraine. The military reported that fighter jets and an early warning radar aircraft were deployed, according to the Operational Command of the Polish Armed Forces.

Ukrainian President Volodymyr Zelenskiy is expected on Monday to seal deals with France on a supply of air-defence capabilities, warplanes and missiles, seeking to bolster his army's long-term capacit...