Secretary of State Antony Blinken made an unscheduled visit to Kyiv Thursday to announce a $2 billion military aid package for Ukraine and other European nations threatened by Russia.

Blinken told top Ukrainian officials that the latest package will provide long-term financing for military aid to Ukraine along with 18 NATO members and regional security partners "most potentially at risk for future Russian aggression."

It is unclear if Ukrainian President Volodymyr Zelenskyy was present for the meetings and Fox News Digital could not immediately reach the State Department for comment. 

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The announcement comes just hours after Defense Secretary Lloyd Austin said the U.S. approved another $675 million in heavy armament for Ukraine’s forces.

The package, separate from the military financing package announced by Blinken, will provide Kyiv with howitzers, artillery munitions, Humvees, armored ambulances, anti-tank systems and more.

Check back on this developing story.

The Associated Press contributed to this report.