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At least 40 construction workers were trapped Sunday after the road tunnel they were building collapsed in northern India, with rescuers scrambling to reach them beneath piles of debris.
The collapse occurred early Sunday morning in the Himalayan state of Uttarakhand when a group of workers were moving out and replacement workers were going in.
The 4.5-kilometre (2.7-mile) tunnel is being constructed between Silkyara and Dandalgaon to connect two of the holiest Hindu shrines of Uttarkashi and Yamnotri.
Photographs released by the government rescue teams showed huge piles of concrete blocking the wide tunnel, with twisted metal bars on its broken roof poking down in front of the rubble.
