Bloomberg:

Russia’s stocks of Iranian-made drones appear to be running low, according to the latest assessments of European officials, who say their use against Ukraine has fallen significantly over the past 10 days.

Prior to that dozens of drones were regularly deployed against Ukrainian energy infrastructure, though most were shot down by the country’s air defenses. The government in Kyiv said in December that Russia had received an order of 250 drones from Iran, without specifying where it got the information. One of the people said Russia was constantly working to obtain more drones as well as other military supplies from Iran and other sources.

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