Russian jets cross into Ukraine airspace

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WASHINGTON (AP) — U.S. officials say Russian fighter jets flew into Ukrainian airspace a handful of times over the last 24 hours, in what one called a continued provocation of the heightened tensions in the region.

The officials say it's not clear what the intent was, but the aircraft could have been testing Ukrainian radar or making a show of force. The officials spoke on condition of anonymity because they were not authorized to talk publicly about the issue.

The flights come as Russia increases military exercises along the Ukraine border, including moving a broad array of fixed wing and rotary aircraft, infantry and armor troops.

The West has threatened additional sanctions against Russia over its annexation of Ukraine's Crimean region and the ongoing escalation of military operations along the border.

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