Russia appears to have built a bizarre, 18-mile fortification from disused freight trains to protect itself in Ukraine, analysts say

• Russia has built an 18-mile defensive line using more than 2,000 railway carriages, a report says.
• DeepState, a Telegram analytics channel, said it's a new Russian defensive line.
• But the Institute for the Study of War said the freight cars may have other purposes.

Russia has built an 18-mile defensive line using more than 2,000 railway cars, according to a new report.

DeepState, a Telegram analytics channel, drew the assessment in a Telegram post on Sunday, relying on satellite imagery taken over occupied Ukraine.