More than a year after Western authorities sought to shut down the pipeline supplying Russia in its war in Ukraine, exports of small, nimble Chinese drones are still providing the Kremlin with an effective way to target Ukrainian forces, according to Western officials, security analysts and customs data. Some of the commercial drones are arriving on the front lines from Russian distributors supplied by Shenzhen, China-based Da-Jiang Innovations Science & Technology Co., known as DJI, according to customs records, while others are transported through the United Arab Emirates.

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