India tunnel collapse: fears rise for trapped construction workers as some fall ill

Group of 40 have been trapped underground for 72 hours, with rescue efforts hampered by rubble falls and a fault with drilling machinery

Fears were mounting for 40 constructions workers who have been stuck in a collapsed tunnel for more than 72 hours, as rescue efforts were hampered by fresh debris and those inside began reporting illness.

The road tunnel, which had been under construction in the mountainous state of Uttarakhand, collapsed in the early hours of Sunday after a landslide.