Russian airstrikes hit two apartment buildings in Ukraine overnight, killing 25 people including three children, in a rare large-scale assault on the west of the country that prompted NATO to scramble fighter jets over Poland and Romania.

Polish and allied aircraft were deployed early on Wednesday to ensure the safety of Polish airspace after Russia launched airstrikes targeting western Ukraine near the border with Poland, armed forces...

Polish prosecutors plan to charge two Ukrainians with terrorist sabotage for a railway explosion allegedly carried out on behalf of Russian secret services.

Evidence suggests the Russian secret services appears to have ordered the blowing up of a railway line in Poland over the weekend, a government spokesman said on Tuesday.

"Russia is accused of all manifestations of the hybrid and direct war that is taking place," Kremlin spokesman Dmitry Peskov told a Russian state television reporter.