ABC News:

ABC News has obtained a letter sent by a top Ukrainian official to senior members of Congress, asking them to assist Ukraine’s calls for additional air defense systems to counter the attack drones built and supplied by Iran to bolster Russia’s war effort.

Russia has launched waves of deadly attacks in recent weeks, using Iranian-made drones that explode on impact to strike power plants, killing civilians and causing rolling blackouts, plunging millions of Ukrainian homes into darkness.

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