In what Prime Minister Donald Tusk called an “unprecedented act of sabotage," a segment of a rail line linking Poland's capital, Warsaw, to the border with Ukraine was blown up over the weekend. Another segment further south was also damaged in what officials say was likely sabotage as well.

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.

An “explosive device” blew up the rail track on Sunday, Tusk said in a post on X, adding separately that the attack “directly (targeted) the security of the Polish state and its civilians.”