Polish Prime Minister Donald Tusk said the "worst suspicions have been confirmed" and that a bomb had destroyed rail track after "an act of sabotage" along the Warsaw to Lublin route.

"An explosion of an explosive device destroyed the railway track," Tusk said, originally in Polish, in a post on X. "Emergency services and the prosecutor’s office are working at the scene. Damage was also found on the same route, closer to Lublin."

Poland is a NATO ally. Tusk did not say immediately who Poland suspects is behind the sabotage, but it has accused Russia in previous incidents, which Moscow denied.

This is a breaking news story. Updates to follow.

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