New Delhi, Aug. 30 -- At least 573 workers at hydropower projects and tunnels across Nepal's Rasuwa and Nuwakot districts - two of the worst-hit 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. Officials and survivors said the real figure is likely higher. P8...