India, Aug. 30 -- At least 573 workers at hydropower project sites and tunnels across Nepal's Rasuwa and Nuwakot districts - two of the worst-hit areas in Wednesday's flash flood - are trapped or out of contact, days after a wall of ice, rock and water tore down the Lhende-Bhote Koshi-Trishuli river system.

Nepal government data seen by HT put the number of workers missing across at least 11 project sites at 934, late on Friday. Of these, 361 have since been rescued or made it out on their own.

The workforce at these projects often includes foreigners, including Indians. Officials and survivors at some of these plants, who spoke to HT, said the real figure is likely higher: five of the 11 sites are under-construction projects that may h...