The Indian military has said it has flown in specialised equipment as part of the efforts to free 41 construction workers from a collapsed road tunnel in the Himalayan state of Uttarakhand.

The men have been stuck inside the tunnel for two weeks after a section caved in.

Drilling through the debris has been suspended after the main machine broke down.

Experts are also working to drill from above to reach the workers. An official has warned that the operation could drag on for weeks.

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