NATO's Poland said it had scrambled fighter jets as Russia carried out large-scale strikes on neighboring Ukraine.

"Duty fighter pairs and an early warning aircraft have been scrambled, and ground-based air defense systems as well as radio detection and ranging reconnaissance systems have reached a state of maximum readiness," said Poland's Operational Command of the Armed Forces in a post on X, originally in Polish.

"These actions are of a preventive nature and are aimed at securing the airspace and its protection, especially in areas adjacent to the threatened regions."

This is a breaking news story. Updates to follow.

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