WOHYN, Poland (AP) — Multiple Russian drones crossed into Poland in what European officials described Wednesday as an deliberate provocation, causing NATO to send fighter jets to shoot them down. A NATO spokesman said it was the first time the alliance confronted a potential threat in its airspace.

The incursion, which occurred during a wave of strikes by the Kremlin on Ukraine , and the NATO response swiftly raised fears that the war could spill over — a fear that has been growing in Europe as Russia steps up its attacks and peace efforts go nowhere.

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